Home / 129,318.04-193,980.30-35,823.52

Finding the Fourth Proportional to 129,318.04, 193,980.30 and 35,823.52

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Solution

The fourth proportional to 129,318.04, 193,980.30 and 35,823.52 is: 53,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,318.04 : 193,980.30 = 35,823.52 : x
  2. Step 2: Convert to fraction form
    129,318.04/193,980.30 = 35,823.52/x
  3. Step 3: Cross multiply
    129,318.04x = 193,980.30 × 35,823.52
  4. Step 4: Simplify right side
    129,318.04x = 6,949,057,156.66
  5. Step 5: Solve for x
    x = 6,949,057,156.66/129,318.04
  6. Step 6: Final answer
    x = 53,736.18

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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.