Home / 498,147.02-747,165.15-178,285.95

Finding the Fourth Proportional to 498,147.02, 747,165.15 and 178,285.95

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Solution

The fourth proportional to 498,147.02, 747,165.15 and 178,285.95 is: 267,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,147.02 : 747,165.15 = 178,285.95 : x
  2. Step 2: Convert to fraction form
    498,147.02/747,165.15 = 178,285.95/x
  3. Step 3: Cross multiply
    498,147.02x = 747,165.15 × 178,285.95
  4. Step 4: Simplify right side
    498,147.02x = 133,209,047,683.21
  5. Step 5: Solve for x
    x = 133,209,047,683.21/498,147.02
  6. Step 6: Final answer
    x = 267,409.10

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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.