Home / 125,614.20-188,421.30-97,966.20

Finding the Fourth Proportional to 125,614.20, 188,421.30 and 97,966.20

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Solution

The fourth proportional to 125,614.20, 188,421.30 and 97,966.20 is: 146,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,614.20 : 188,421.30 = 97,966.20 : x
  2. Step 2: Convert to fraction form
    125,614.20/188,421.30 = 97,966.20/x
  3. Step 3: Cross multiply
    125,614.20x = 188,421.30 × 97,966.20
  4. Step 4: Simplify right side
    125,614.20x = 18,458,918,760.06
  5. Step 5: Solve for x
    x = 18,458,918,760.06/125,614.20
  6. Step 6: Final answer
    x = 146,949.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.