Home / 356,943.12-492,595.16-195,804.96

Finding the Fourth Proportional to 356,943.12, 492,595.16 and 195,804.96

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Solution

The fourth proportional to 356,943.12, 492,595.16 and 195,804.96 is: 270,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,943.12 : 492,595.16 = 195,804.96 : x
  2. Step 2: Convert to fraction form
    356,943.12/492,595.16 = 195,804.96/x
  3. Step 3: Cross multiply
    356,943.12x = 492,595.16 × 195,804.96
  4. Step 4: Simplify right side
    356,943.12x = 96,452,575,599.99
  5. Step 5: Solve for x
    x = 96,452,575,599.99/356,943.12
  6. Step 6: Final answer
    x = 270,218.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.