Home / 151,715.61-209,249.20-97,272.98

Finding the Fourth Proportional to 151,715.61, 209,249.20 and 97,272.98

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Solution

The fourth proportional to 151,715.61, 209,249.20 and 97,272.98 is: 134,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,715.61 : 209,249.20 = 97,272.98 : x
  2. Step 2: Convert to fraction form
    151,715.61/209,249.20 = 97,272.98/x
  3. Step 3: Cross multiply
    151,715.61x = 209,249.20 × 97,272.98
  4. Step 4: Simplify right side
    151,715.61x = 20,354,293,526.56
  5. Step 5: Solve for x
    x = 20,354,293,526.56/151,715.61
  6. Step 6: Final answer
    x = 134,160.84

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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.