Home / 129,106.29-193,703.18-65,953.02

Finding the Fourth Proportional to 129,106.29, 193,703.18 and 65,953.02

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Solution

The fourth proportional to 129,106.29, 193,703.18 and 65,953.02 is: 98,951.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,106.29 : 193,703.18 = 65,953.02 : x
  2. Step 2: Convert to fraction form
    129,106.29/193,703.18 = 65,953.02/x
  3. Step 3: Cross multiply
    129,106.29x = 193,703.18 × 65,953.02
  4. Step 4: Simplify right side
    129,106.29x = 12,775,309,374.84
  5. Step 5: Solve for x
    x = 12,775,309,374.84/129,106.29
  6. Step 6: Final answer
    x = 98,951.87

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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.