Home / 138,245.01-207,417.47-48,301.04

Finding the Fourth Proportional to 138,245.01, 207,417.47 and 48,301.04

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Solution

The fourth proportional to 138,245.01, 207,417.47 and 48,301.04 is: 72,469.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,245.01 : 207,417.47 = 48,301.04 : x
  2. Step 2: Convert to fraction form
    138,245.01/207,417.47 = 48,301.04/x
  3. Step 3: Cross multiply
    138,245.01x = 207,417.47 × 48,301.04
  4. Step 4: Simplify right side
    138,245.01x = 10,018,478,236.58
  5. Step 5: Solve for x
    x = 10,018,478,236.58/138,245.01
  6. Step 6: Final answer
    x = 72,469.00

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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.