Home / 185,317.28-255,730.98-100,432.52

Finding the Fourth Proportional to 185,317.28, 255,730.98 and 100,432.52

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Solution

The fourth proportional to 185,317.28, 255,730.98 and 100,432.52 is: 138,593.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,317.28 : 255,730.98 = 100,432.52 : x
  2. Step 2: Convert to fraction form
    185,317.28/255,730.98 = 100,432.52/x
  3. Step 3: Cross multiply
    185,317.28x = 255,730.98 × 100,432.52
  4. Step 4: Simplify right side
    185,317.28x = 25,683,706,763.47
  5. Step 5: Solve for x
    x = 25,683,706,763.47/185,317.28
  6. Step 6: Final answer
    x = 138,593.16

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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.