Home / 178,528.64-267,622.02-66,178.70

Finding the Fourth Proportional to 178,528.64, 267,622.02 and 66,178.70

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Solution

The fourth proportional to 178,528.64, 267,622.02 and 66,178.70 is: 99,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,528.64 : 267,622.02 = 66,178.70 : x
  2. Step 2: Convert to fraction form
    178,528.64/267,622.02 = 66,178.70/x
  3. Step 3: Cross multiply
    178,528.64x = 267,622.02 × 66,178.70
  4. Step 4: Simplify right side
    178,528.64x = 17,710,877,374.97
  5. Step 5: Solve for x
    x = 17,710,877,374.97/178,528.64
  6. Step 6: Final answer
    x = 99,204.68

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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.