Home / 128,973.16-193,484.46-44,730.04

Finding the Fourth Proportional to 128,973.16, 193,484.46 and 44,730.04

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Solution

The fourth proportional to 128,973.16, 193,484.46 and 44,730.04 is: 67,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,973.16 : 193,484.46 = 44,730.04 : x
  2. Step 2: Convert to fraction form
    128,973.16/193,484.46 = 44,730.04/x
  3. Step 3: Cross multiply
    128,973.16x = 193,484.46 × 44,730.04
  4. Step 4: Simplify right side
    128,973.16x = 8,654,567,635.18
  5. Step 5: Solve for x
    x = 8,654,567,635.18/128,973.16
  6. Step 6: Final answer
    x = 67,103.63

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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.