Home / 97,207.30-145,422.15-84,204.10

Finding the Fourth Proportional to 97,207.30, 145,422.15 and 84,204.10

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Solution

The fourth proportional to 97,207.30, 145,422.15 and 84,204.10 is: 125,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,207.30 : 145,422.15 = 84,204.10 : x
  2. Step 2: Convert to fraction form
    97,207.30/145,422.15 = 84,204.10/x
  3. Step 3: Cross multiply
    97,207.30x = 145,422.15 × 84,204.10
  4. Step 4: Simplify right side
    97,207.30x = 12,245,141,260.82
  5. Step 5: Solve for x
    x = 12,245,141,260.82/97,207.30
  6. Step 6: Final answer
    x = 125,969.36

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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.