Home / 127,704.96-176,050.24-89,861.76

Finding the Fourth Proportional to 127,704.96, 176,050.24 and 89,861.76

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Solution

The fourth proportional to 127,704.96, 176,050.24 and 89,861.76 is: 123,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,704.96 : 176,050.24 = 89,861.76 : x
  2. Step 2: Convert to fraction form
    127,704.96/176,050.24 = 89,861.76/x
  3. Step 3: Cross multiply
    127,704.96x = 176,050.24 × 89,861.76
  4. Step 4: Simplify right side
    127,704.96x = 15,820,184,414.82
  5. Step 5: Solve for x
    x = 15,820,184,414.82/127,704.96
  6. Step 6: Final answer
    x = 123,880.74

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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.