Home / 127,589.62-176,072.30-70,227.72

Finding the Fourth Proportional to 127,589.62, 176,072.30 and 70,227.72

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Solution

The fourth proportional to 127,589.62, 176,072.30 and 70,227.72 is: 96,913.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,589.62 : 176,072.30 = 70,227.72 : x
  2. Step 2: Convert to fraction form
    127,589.62/176,072.30 = 70,227.72/x
  3. Step 3: Cross multiply
    127,589.62x = 176,072.30 × 70,227.72
  4. Step 4: Simplify right side
    127,589.62x = 12,365,156,184.16
  5. Step 5: Solve for x
    x = 12,365,156,184.16/127,589.62
  6. Step 6: Final answer
    x = 96,913.50

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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.