Home / 127,588.62-176,070.92-70,226.72

Finding the Fourth Proportional to 127,588.62, 176,070.92 and 70,226.72

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Solution

The fourth proportional to 127,588.62, 176,070.92 and 70,226.72 is: 96,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,588.62 : 176,070.92 = 70,226.72 : x
  2. Step 2: Convert to fraction form
    127,588.62/176,070.92 = 70,226.72/x
  3. Step 3: Cross multiply
    127,588.62x = 176,070.92 × 70,226.72
  4. Step 4: Simplify right side
    127,588.62x = 12,364,883,198.98
  5. Step 5: Solve for x
    x = 12,364,883,198.98/127,588.62
  6. Step 6: Final answer
    x = 96,912.12

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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.