Home / 156,074.40-234,176.40-99,977.76

Finding the Fourth Proportional to 156,074.40, 234,176.40 and 99,977.76

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Solution

The fourth proportional to 156,074.40, 234,176.40 and 99,977.76 is: 150,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,074.40 : 234,176.40 = 99,977.76 : x
  2. Step 2: Convert to fraction form
    156,074.40/234,176.40 = 99,977.76/x
  3. Step 3: Cross multiply
    156,074.40x = 234,176.40 × 99,977.76
  4. Step 4: Simplify right side
    156,074.40x = 23,412,431,916.86
  5. Step 5: Solve for x
    x = 23,412,431,916.86/156,074.40
  6. Step 6: Final answer
    x = 150,008.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.