Home / 296,867.40-445,355.10-97,132.20

Finding the Fourth Proportional to 296,867.40, 445,355.10 and 97,132.20

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Solution

The fourth proportional to 296,867.40, 445,355.10 and 97,132.20 is: 145,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,867.40 : 445,355.10 = 97,132.20 : x
  2. Step 2: Convert to fraction form
    296,867.40/445,355.10 = 97,132.20/x
  3. Step 3: Cross multiply
    296,867.40x = 445,355.10 × 97,132.20
  4. Step 4: Simplify right side
    296,867.40x = 43,258,320,644.22
  5. Step 5: Solve for x
    x = 43,258,320,644.22/296,867.40
  6. Step 6: Final answer
    x = 145,715.97

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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.