Home / 220,765.68-304,646.04-125,269.92

Finding the Fourth Proportional to 220,765.68, 304,646.04 and 125,269.92

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Solution

The fourth proportional to 220,765.68, 304,646.04 and 125,269.92 is: 172,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,765.68 : 304,646.04 = 125,269.92 : x
  2. Step 2: Convert to fraction form
    220,765.68/304,646.04 = 125,269.92/x
  3. Step 3: Cross multiply
    220,765.68x = 304,646.04 × 125,269.92
  4. Step 4: Simplify right side
    220,765.68x = 38,162,985,059.12
  5. Step 5: Solve for x
    x = 38,162,985,059.12/220,765.68
  6. Step 6: Final answer
    x = 172,866.48

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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.