Home / 296,968.28-445,452.45-86,606.24

Finding the Fourth Proportional to 296,968.28, 445,452.45 and 86,606.24

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Solution

The fourth proportional to 296,968.28, 445,452.45 and 86,606.24 is: 129,909.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,968.28 : 445,452.45 = 86,606.24 : x
  2. Step 2: Convert to fraction form
    296,968.28/445,452.45 = 86,606.24/x
  3. Step 3: Cross multiply
    296,968.28x = 445,452.45 × 86,606.24
  4. Step 4: Simplify right side
    296,968.28x = 38,578,961,793.29
  5. Step 5: Solve for x
    x = 38,578,961,793.29/296,968.28
  6. Step 6: Final answer
    x = 129,909.37

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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.