Home / 147,722.42-203,785.71-96,712.58

Finding the Fourth Proportional to 147,722.42, 203,785.71 and 96,712.58

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Solution

The fourth proportional to 147,722.42, 203,785.71 and 96,712.58 is: 133,416.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,722.42 : 203,785.71 = 96,712.58 : x
  2. Step 2: Convert to fraction form
    147,722.42/203,785.71 = 96,712.58/x
  3. Step 3: Cross multiply
    147,722.42x = 203,785.71 × 96,712.58
  4. Step 4: Simplify right side
    147,722.42x = 19,708,641,781.23
  5. Step 5: Solve for x
    x = 19,708,641,781.23/147,722.42
  6. Step 6: Final answer
    x = 133,416.73

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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.