Home / 129,680.80-193,503.24-116,427.52

Finding the Fourth Proportional to 129,680.80, 193,503.24 and 116,427.52

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Solution

The fourth proportional to 129,680.80, 193,503.24 and 116,427.52 is: 173,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,680.80 : 193,503.24 = 116,427.52 : x
  2. Step 2: Convert to fraction form
    129,680.80/193,503.24 = 116,427.52/x
  3. Step 3: Cross multiply
    129,680.80x = 193,503.24 × 116,427.52
  4. Step 4: Simplify right side
    129,680.80x = 22,529,102,345.16
  5. Step 5: Solve for x
    x = 22,529,102,345.16/129,680.80
  6. Step 6: Final answer
    x = 173,727.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.