Home / 134,331.97-185,423.64-83,374.53

Finding the Fourth Proportional to 134,331.97, 185,423.64 and 83,374.53

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Solution

The fourth proportional to 134,331.97, 185,423.64 and 83,374.53 is: 115,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,331.97 : 185,423.64 = 83,374.53 : x
  2. Step 2: Convert to fraction form
    134,331.97/185,423.64 = 83,374.53/x
  3. Step 3: Cross multiply
    134,331.97x = 185,423.64 × 83,374.53
  4. Step 4: Simplify right side
    134,331.97x = 15,459,607,827.90
  5. Step 5: Solve for x
    x = 15,459,607,827.90/134,331.97
  6. Step 6: Final answer
    x = 115,085.10

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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.