Home / 140,414.14-193,771.50-76,752.19

Finding the Fourth Proportional to 140,414.14, 193,771.50 and 76,752.19

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Solution

The fourth proportional to 140,414.14, 193,771.50 and 76,752.19 is: 105,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,414.14 : 193,771.50 = 76,752.19 : x
  2. Step 2: Convert to fraction form
    140,414.14/193,771.50 = 76,752.19/x
  3. Step 3: Cross multiply
    140,414.14x = 193,771.50 × 76,752.19
  4. Step 4: Simplify right side
    140,414.14x = 14,872,386,984.59
  5. Step 5: Solve for x
    x = 14,872,386,984.59/140,414.14
  6. Step 6: Final answer
    x = 105,918.01

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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.