Home / 127,158.96-175,500.36-70,588.56

Finding the Fourth Proportional to 127,158.96, 175,500.36 and 70,588.56

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Solution

The fourth proportional to 127,158.96, 175,500.36 and 70,588.56 is: 97,423.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,158.96 : 175,500.36 = 70,588.56 : x
  2. Step 2: Convert to fraction form
    127,158.96/175,500.36 = 70,588.56/x
  3. Step 3: Cross multiply
    127,158.96x = 175,500.36 × 70,588.56
  4. Step 4: Simplify right side
    127,158.96x = 12,388,317,691.88
  5. Step 5: Solve for x
    x = 12,388,317,691.88/127,158.96
  6. Step 6: Final answer
    x = 97,423.87

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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.