Home / 140,217.32-193,492.22-76,553.66

Finding the Fourth Proportional to 140,217.32, 193,492.22 and 76,553.66

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Solution

The fourth proportional to 140,217.32, 193,492.22 and 76,553.66 is: 105,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,217.32 : 193,492.22 = 76,553.66 : x
  2. Step 2: Convert to fraction form
    140,217.32/193,492.22 = 76,553.66/x
  3. Step 3: Cross multiply
    140,217.32x = 193,492.22 × 76,553.66
  4. Step 4: Simplify right side
    140,217.32x = 14,812,537,622.53
  5. Step 5: Solve for x
    x = 14,812,537,622.53/140,217.32
  6. Step 6: Final answer
    x = 105,639.86

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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.