Home / 374,925.38-517,397.02-205,159.50

Finding the Fourth Proportional to 374,925.38, 517,397.02 and 205,159.50

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Solution

The fourth proportional to 374,925.38, 517,397.02 and 205,159.50 is: 283,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,925.38 : 517,397.02 = 205,159.50 : x
  2. Step 2: Convert to fraction form
    374,925.38/517,397.02 = 205,159.50/x
  3. Step 3: Cross multiply
    374,925.38x = 517,397.02 × 205,159.50
  4. Step 4: Simplify right side
    374,925.38x = 106,148,913,411.79
  5. Step 5: Solve for x
    x = 106,148,913,411.79/374,925.38
  6. Step 6: Final answer
    x = 283,120.11

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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.