Home / 129,158.52-193,737.51-35,664

Finding the Fourth Proportional to 129,158.52, 193,737.51 and 35,664

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Solution

The fourth proportional to 129,158.52, 193,737.51 and 35,664 is: 53,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,158.52 : 193,737.51 = 35,664 : x
  2. Step 2: Convert to fraction form
    129,158.52/193,737.51 = 35,664/x
  3. Step 3: Cross multiply
    129,158.52x = 193,737.51 × 35,664
  4. Step 4: Simplify right side
    129,158.52x = 6,909,454,556.64
  5. Step 5: Solve for x
    x = 6,909,454,556.64/129,158.52
  6. Step 6: Final answer
    x = 53,495.93

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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.