Home / 257,779.11-386,543.66-151,197.90

Finding the Fourth Proportional to 257,779.11, 386,543.66 and 151,197.90

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Solution

The fourth proportional to 257,779.11, 386,543.66 and 151,197.90 is: 226,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,779.11 : 386,543.66 = 151,197.90 : x
  2. Step 2: Convert to fraction form
    257,779.11/386,543.66 = 151,197.90/x
  3. Step 3: Cross multiply
    257,779.11x = 386,543.66 × 151,197.90
  4. Step 4: Simplify right side
    257,779.11x = 58,444,586,961.61
  5. Step 5: Solve for x
    x = 58,444,586,961.61/257,779.11
  6. Step 6: Final answer
    x = 226,723.52

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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.