Home / 140,407.17-193,761.99-76,744.96

Finding the Fourth Proportional to 140,407.17, 193,761.99 and 76,744.96

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Solution

The fourth proportional to 140,407.17, 193,761.99 and 76,744.96 is: 105,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,407.17 : 193,761.99 = 76,744.96 : x
  2. Step 2: Convert to fraction form
    140,407.17/193,761.99 = 76,744.96/x
  3. Step 3: Cross multiply
    140,407.17x = 193,761.99 × 76,744.96
  4. Step 4: Simplify right side
    140,407.17x = 14,870,256,126.48
  5. Step 5: Solve for x
    x = 14,870,256,126.48/140,407.17
  6. Step 6: Final answer
    x = 105,908.10

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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.