Home / 125,873.28-173,777.04-83,489.40

Finding the Fourth Proportional to 125,873.28, 173,777.04 and 83,489.40

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Solution

The fourth proportional to 125,873.28, 173,777.04 and 83,489.40 is: 115,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,873.28 : 173,777.04 = 83,489.40 : x
  2. Step 2: Convert to fraction form
    125,873.28/173,777.04 = 83,489.40/x
  3. Step 3: Cross multiply
    125,873.28x = 173,777.04 × 83,489.40
  4. Step 4: Simplify right side
    125,873.28x = 14,508,540,803.38
  5. Step 5: Solve for x
    x = 14,508,540,803.38/125,873.28
  6. Step 6: Final answer
    x = 115,263.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.