Home / 296,869.40-445,358.10-97,134.20

Finding the Fourth Proportional to 296,869.40, 445,358.10 and 97,134.20

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Solution

The fourth proportional to 296,869.40, 445,358.10 and 97,134.20 is: 145,718.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,869.40 : 445,358.10 = 97,134.20 : x
  2. Step 2: Convert to fraction form
    296,869.40/445,358.10 = 97,134.20/x
  3. Step 3: Cross multiply
    296,869.40x = 445,358.10 × 97,134.20
  4. Step 4: Simplify right side
    296,869.40x = 43,259,502,757.02
  5. Step 5: Solve for x
    x = 43,259,502,757.02/296,869.40
  6. Step 6: Final answer
    x = 145,718.97

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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.