Home / 185,317.27-255,730.98-100,432.51

Finding the Fourth Proportional to 185,317.27, 255,730.98 and 100,432.51

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Solution

The fourth proportional to 185,317.27, 255,730.98 and 100,432.51 is: 138,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,317.27 : 255,730.98 = 100,432.51 : x
  2. Step 2: Convert to fraction form
    185,317.27/255,730.98 = 100,432.51/x
  3. Step 3: Cross multiply
    185,317.27x = 255,730.98 × 100,432.51
  4. Step 4: Simplify right side
    185,317.27x = 25,683,704,206.16
  5. Step 5: Solve for x
    x = 25,683,704,206.16/185,317.27
  6. Step 6: Final answer
    x = 138,593.15

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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.