Home / 127,715.74-176,246.12-70,353.88

Finding the Fourth Proportional to 127,715.74, 176,246.12 and 70,353.88

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Solution

The fourth proportional to 127,715.74, 176,246.12 and 70,353.88 is: 97,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,715.74 : 176,246.12 = 70,353.88 : x
  2. Step 2: Convert to fraction form
    127,715.74/176,246.12 = 70,353.88/x
  3. Step 3: Cross multiply
    127,715.74x = 176,246.12 × 70,353.88
  4. Step 4: Simplify right side
    127,715.74x = 12,399,598,376.95
  5. Step 5: Solve for x
    x = 12,399,598,376.95/127,715.74
  6. Step 6: Final answer
    x = 97,087.47

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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.