Home / 122,038.60-183,046.86-43,148.92

Finding the Fourth Proportional to 122,038.60, 183,046.86 and 43,148.92

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Solution

The fourth proportional to 122,038.60, 183,046.86 and 43,148.92 is: 64,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,038.60 : 183,046.86 = 43,148.92 : x
  2. Step 2: Convert to fraction form
    122,038.60/183,046.86 = 43,148.92/x
  3. Step 3: Cross multiply
    122,038.60x = 183,046.86 × 43,148.92
  4. Step 4: Simplify right side
    122,038.60x = 7,898,274,318.39
  5. Step 5: Solve for x
    x = 7,898,274,318.39/122,038.60
  6. Step 6: Final answer
    x = 64,719.48

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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.