Home / 140,769.04-194,262.96-77,109.52

Finding the Fourth Proportional to 140,769.04, 194,262.96 and 77,109.52

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Solution

The fourth proportional to 140,769.04, 194,262.96 and 77,109.52 is: 106,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,769.04 : 194,262.96 = 77,109.52 : x
  2. Step 2: Convert to fraction form
    140,769.04/194,262.96 = 77,109.52/x
  3. Step 3: Cross multiply
    140,769.04x = 194,262.96 × 77,109.52
  4. Step 4: Simplify right side
    140,769.04x = 14,979,523,599.38
  5. Step 5: Solve for x
    x = 14,979,523,599.38/140,769.04
  6. Step 6: Final answer
    x = 106,412.06

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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.