Home / 150,862.48-208,167.08-87,187.98

Finding the Fourth Proportional to 150,862.48, 208,167.08 and 87,187.98

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Solution

The fourth proportional to 150,862.48, 208,167.08 and 87,187.98 is: 120,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,862.48 : 208,167.08 = 87,187.98 : x
  2. Step 2: Convert to fraction form
    150,862.48/208,167.08 = 87,187.98/x
  3. Step 3: Cross multiply
    150,862.48x = 208,167.08 × 87,187.98
  4. Step 4: Simplify right side
    150,862.48x = 18,149,667,207.70
  5. Step 5: Solve for x
    x = 18,149,667,207.70/150,862.48
  6. Step 6: Final answer
    x = 120,306.04

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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.