Home / 125,397.33-188,160.48-83,306.49

Finding the Fourth Proportional to 125,397.33, 188,160.48 and 83,306.49

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Solution

The fourth proportional to 125,397.33, 188,160.48 and 83,306.49 is: 125,002.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,397.33 : 188,160.48 = 83,306.49 : x
  2. Step 2: Convert to fraction form
    125,397.33/188,160.48 = 83,306.49/x
  3. Step 3: Cross multiply
    125,397.33x = 188,160.48 × 83,306.49
  4. Step 4: Simplify right side
    125,397.33x = 15,674,989,145.52
  5. Step 5: Solve for x
    x = 15,674,989,145.52/125,397.33
  6. Step 6: Final answer
    x = 125,002.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.