Home / 151,366.12-208,876.08-87,692.92

Finding the Fourth Proportional to 151,366.12, 208,876.08 and 87,692.92

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Solution

The fourth proportional to 151,366.12, 208,876.08 and 87,692.92 is: 121,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,366.12 : 208,876.08 = 87,692.92 : x
  2. Step 2: Convert to fraction form
    151,366.12/208,876.08 = 87,692.92/x
  3. Step 3: Cross multiply
    151,366.12x = 208,876.08 × 87,692.92
  4. Step 4: Simplify right side
    151,366.12x = 18,316,953,373.35
  5. Step 5: Solve for x
    x = 18,316,953,373.35/151,366.12
  6. Step 6: Final answer
    x = 121,010.92

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1.5x scale

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.