Home / 129,032.16-193,469.58-57,940.98

Finding the Fourth Proportional to 129,032.16, 193,469.58 and 57,940.98

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Solution

The fourth proportional to 129,032.16, 193,469.58 and 57,940.98 is: 86,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,032.16 : 193,469.58 = 57,940.98 : x
  2. Step 2: Convert to fraction form
    129,032.16/193,469.58 = 57,940.98/x
  3. Step 3: Cross multiply
    129,032.16x = 193,469.58 × 57,940.98
  4. Step 4: Simplify right side
    129,032.16x = 11,209,817,065.39
  5. Step 5: Solve for x
    x = 11,209,817,065.39/129,032.16
  6. Step 6: Final answer
    x = 86,876.15

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1.5x scale

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.