Home / 174,754,879.20-262,132,318.80-120,335,320.80

Finding the Fourth Proportional to 174,754,879.20, 262,132,318.80 and 120,335,320.80

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Solution

The fourth proportional to 174,754,879.20, 262,132,318.80 and 120,335,320.80 is: 180,502,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,754,879.20 : 262,132,318.80 = 120,335,320.80 : x
  2. Step 2: Convert to fraction form
    174,754,879.20/262,132,318.80 = 120,335,320.80/x
  3. Step 3: Cross multiply
    174,754,879.20x = 262,132,318.80 × 120,335,320.80
  4. Step 4: Simplify right side
    174,754,879.20x = 31,543,776,674,845,872
  5. Step 5: Solve for x
    x = 31,543,776,674,845,872/174,754,879.20
  6. Step 6: Final answer
    x = 180,502,981.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.