Home / 151,360.24-208,877.18-87,734.92

Finding the Fourth Proportional to 151,360.24, 208,877.18 and 87,734.92

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Solution

The fourth proportional to 151,360.24, 208,877.18 and 87,734.92 is: 121,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,360.24 : 208,877.18 = 87,734.92 : x
  2. Step 2: Convert to fraction form
    151,360.24/208,877.18 = 87,734.92/x
  3. Step 3: Cross multiply
    151,360.24x = 208,877.18 × 87,734.92
  4. Step 4: Simplify right side
    151,360.24x = 18,325,822,677.13
  5. Step 5: Solve for x
    x = 18,325,822,677.13/151,360.24
  6. Step 6: Final answer
    x = 121,074.22

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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.