Home / 315,167.40-472,780.44-125,582.04

Finding the Fourth Proportional to 315,167.40, 472,780.44 and 125,582.04

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Solution

The fourth proportional to 315,167.40, 472,780.44 and 125,582.04 is: 188,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,167.40 : 472,780.44 = 125,582.04 : x
  2. Step 2: Convert to fraction form
    315,167.40/472,780.44 = 125,582.04/x
  3. Step 3: Cross multiply
    315,167.40x = 472,780.44 × 125,582.04
  4. Step 4: Simplify right side
    315,167.40x = 59,372,732,127.30
  5. Step 5: Solve for x
    x = 59,372,732,127.30/315,167.40
  6. Step 6: Final answer
    x = 188,384.75

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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.