Home / 140,275.66-193,577.42-76,613.70

Finding the Fourth Proportional to 140,275.66, 193,577.42 and 76,613.70

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Solution

The fourth proportional to 140,275.66, 193,577.42 and 76,613.70 is: 105,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,275.66 : 193,577.42 = 76,613.70 : x
  2. Step 2: Convert to fraction form
    140,275.66/193,577.42 = 76,613.70/x
  3. Step 3: Cross multiply
    140,275.66x = 193,577.42 × 76,613.70
  4. Step 4: Simplify right side
    140,275.66x = 14,830,682,382.65
  5. Step 5: Solve for x
    x = 14,830,682,382.65/140,275.66
  6. Step 6: Final answer
    x = 105,725.27

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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.