Home / 151,526.16-209,126.16-87,850.80

Finding the Fourth Proportional to 151,526.16, 209,126.16 and 87,850.80

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Solution

The fourth proportional to 151,526.16, 209,126.16 and 87,850.80 is: 121,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,526.16 : 209,126.16 = 87,850.80 : x
  2. Step 2: Convert to fraction form
    151,526.16/209,126.16 = 87,850.80/x
  3. Step 3: Cross multiply
    151,526.16x = 209,126.16 × 87,850.80
  4. Step 4: Simplify right side
    151,526.16x = 18,371,900,456.93
  5. Step 5: Solve for x
    x = 18,371,900,456.93/151,526.16
  6. Step 6: Final answer
    x = 121,245.73

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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.