Home / 125,772.03-173,637.14-83,387.97

Finding the Fourth Proportional to 125,772.03, 173,637.14 and 83,387.97

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Solution

The fourth proportional to 125,772.03, 173,637.14 and 83,387.97 is: 115,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,772.03 : 173,637.14 = 83,387.97 : x
  2. Step 2: Convert to fraction form
    125,772.03/173,637.14 = 83,387.97/x
  3. Step 3: Cross multiply
    125,772.03x = 173,637.14 × 83,387.97
  4. Step 4: Simplify right side
    125,772.03x = 14,479,248,204.27
  5. Step 5: Solve for x
    x = 14,479,248,204.27/125,772.03
  6. Step 6: Final answer
    x = 115,122.96

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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.