Home / 140,213.92-193,495.86-76,553.16

Finding the Fourth Proportional to 140,213.92, 193,495.86 and 76,553.16

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Solution

The fourth proportional to 140,213.92, 193,495.86 and 76,553.16 is: 105,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,213.92 : 193,495.86 = 76,553.16 : x
  2. Step 2: Convert to fraction form
    140,213.92/193,495.86 = 76,553.16/x
  3. Step 3: Cross multiply
    140,213.92x = 193,495.86 × 76,553.16
  4. Step 4: Simplify right side
    140,213.92x = 14,812,719,529.92
  5. Step 5: Solve for x
    x = 14,812,719,529.92/140,213.92
  6. Step 6: Final answer
    x = 105,643.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.