Home / 313,437.38-432,543.60-179,301.38

Finding the Fourth Proportional to 313,437.38, 432,543.60 and 179,301.38

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Solution

The fourth proportional to 313,437.38, 432,543.60 and 179,301.38 is: 247,435.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,437.38 : 432,543.60 = 179,301.38 : x
  2. Step 2: Convert to fraction form
    313,437.38/432,543.60 = 179,301.38/x
  3. Step 3: Cross multiply
    313,437.38x = 432,543.60 × 179,301.38
  4. Step 4: Simplify right side
    313,437.38x = 77,555,662,227.45
  5. Step 5: Solve for x
    x = 77,555,662,227.45/313,437.38
  6. Step 6: Final answer
    x = 247,435.91

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1.5x scale

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.