Home / 150,793.38-208,111.50-86,268.60

Finding the Fourth Proportional to 150,793.38, 208,111.50 and 86,268.60

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Solution

The fourth proportional to 150,793.38, 208,111.50 and 86,268.60 is: 119,060.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,793.38 : 208,111.50 = 86,268.60 : x
  2. Step 2: Convert to fraction form
    150,793.38/208,111.50 = 86,268.60/x
  3. Step 3: Cross multiply
    150,793.38x = 208,111.50 × 86,268.60
  4. Step 4: Simplify right side
    150,793.38x = 17,953,487,748.90
  5. Step 5: Solve for x
    x = 17,953,487,748.90/150,793.38
  6. Step 6: Final answer
    x = 119,060.19

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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.