Home / 147,904.20-204,128.88-84,247.92

Finding the Fourth Proportional to 147,904.20, 204,128.88 and 84,247.92

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Solution

The fourth proportional to 147,904.20, 204,128.88 and 84,247.92 is: 116,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,904.20 : 204,128.88 = 84,247.92 : x
  2. Step 2: Convert to fraction form
    147,904.20/204,128.88 = 84,247.92/x
  3. Step 3: Cross multiply
    147,904.20x = 204,128.88 × 84,247.92
  4. Step 4: Simplify right side
    147,904.20x = 17,197,433,551.93
  5. Step 5: Solve for x
    x = 17,197,433,551.93/147,904.20
  6. Step 6: Final answer
    x = 116,274.14

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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.