Home / 127,974.21-176,614.31-70,624.92

Finding the Fourth Proportional to 127,974.21, 176,614.31 and 70,624.92

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Solution

The fourth proportional to 127,974.21, 176,614.31 and 70,624.92 is: 97,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,974.21 : 176,614.31 = 70,624.92 : x
  2. Step 2: Convert to fraction form
    127,974.21/176,614.31 = 70,624.92/x
  3. Step 3: Cross multiply
    127,974.21x = 176,614.31 × 70,624.92
  4. Step 4: Simplify right side
    127,974.21x = 12,473,372,353.47
  5. Step 5: Solve for x
    x = 12,473,372,353.47/127,974.21
  6. Step 6: Final answer
    x = 97,467.86

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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.