Home / 109,792.90-151,400.25-93,929.86

Finding the Fourth Proportional to 109,792.90, 151,400.25 and 93,929.86

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Solution

The fourth proportional to 109,792.90, 151,400.25 and 93,929.86 is: 129,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,792.90 : 151,400.25 = 93,929.86 : x
  2. Step 2: Convert to fraction form
    109,792.90/151,400.25 = 93,929.86/x
  3. Step 3: Cross multiply
    109,792.90x = 151,400.25 × 93,929.86
  4. Step 4: Simplify right side
    109,792.90x = 14,221,004,286.47
  5. Step 5: Solve for x
    x = 14,221,004,286.47/109,792.90
  6. Step 6: Final answer
    x = 129,525.72

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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.