Home / 316,962.38-437,419.04-173,721.17

Finding the Fourth Proportional to 316,962.38, 437,419.04 and 173,721.17

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Solution

The fourth proportional to 316,962.38, 437,419.04 and 173,721.17 is: 239,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,962.38 : 437,419.04 = 173,721.17 : x
  2. Step 2: Convert to fraction form
    316,962.38/437,419.04 = 173,721.17/x
  3. Step 3: Cross multiply
    316,962.38x = 437,419.04 × 173,721.17
  4. Step 4: Simplify right side
    316,962.38x = 75,988,947,634.02
  5. Step 5: Solve for x
    x = 75,988,947,634.02/316,962.38
  6. Step 6: Final answer
    x = 239,741.22

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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.