Home / 140,262.16-193,553.28-76,587.04

Finding the Fourth Proportional to 140,262.16, 193,553.28 and 76,587.04

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Solution

The fourth proportional to 140,262.16, 193,553.28 and 76,587.04 is: 105,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,262.16 : 193,553.28 = 76,587.04 : x
  2. Step 2: Convert to fraction form
    140,262.16/193,553.28 = 76,587.04/x
  3. Step 3: Cross multiply
    140,262.16x = 193,553.28 × 76,587.04
  4. Step 4: Simplify right side
    140,262.16x = 14,823,672,797.49
  5. Step 5: Solve for x
    x = 14,823,672,797.49/140,262.16
  6. Step 6: Final answer
    x = 105,685.47

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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.