Home / 127,624.56-176,121.90-71,034.72

Finding the Fourth Proportional to 127,624.56, 176,121.90 and 71,034.72

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Solution

The fourth proportional to 127,624.56, 176,121.90 and 71,034.72 is: 98,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,624.56 : 176,121.90 = 71,034.72 : x
  2. Step 2: Convert to fraction form
    127,624.56/176,121.90 = 71,034.72/x
  3. Step 3: Cross multiply
    127,624.56x = 176,121.90 × 71,034.72
  4. Step 4: Simplify right side
    127,624.56x = 12,510,769,852.37
  5. Step 5: Solve for x
    x = 12,510,769,852.37/127,624.56
  6. Step 6: Final answer
    x = 98,027.92

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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.