Home / 187,125.18-280,752.57-116,920.86

Finding the Fourth Proportional to 187,125.18, 280,752.57 and 116,920.86

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Solution

The fourth proportional to 187,125.18, 280,752.57 and 116,920.86 is: 175,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,125.18 : 280,752.57 = 116,920.86 : x
  2. Step 2: Convert to fraction form
    187,125.18/280,752.57 = 116,920.86/x
  3. Step 3: Cross multiply
    187,125.18x = 280,752.57 × 116,920.86
  4. Step 4: Simplify right side
    187,125.18x = 32,825,831,931.61
  5. Step 5: Solve for x
    x = 32,825,831,931.61/187,125.18
  6. Step 6: Final answer
    x = 175,421.78

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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.