Home / 313,326.48-432,397.28-177,360.60

Finding the Fourth Proportional to 313,326.48, 432,397.28 and 177,360.60

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Solution

The fourth proportional to 313,326.48, 432,397.28 and 177,360.60 is: 244,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,326.48 : 432,397.28 = 177,360.60 : x
  2. Step 2: Convert to fraction form
    313,326.48/432,397.28 = 177,360.60/x
  3. Step 3: Cross multiply
    313,326.48x = 432,397.28 × 177,360.60
  4. Step 4: Simplify right side
    313,326.48x = 76,690,241,019.17
  5. Step 5: Solve for x
    x = 76,690,241,019.17/313,326.48
  6. Step 6: Final answer
    x = 244,761.44

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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.