Home / 140,505.59-193,900.53-76,847.48

Finding the Fourth Proportional to 140,505.59, 193,900.53 and 76,847.48

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Solution

The fourth proportional to 140,505.59, 193,900.53 and 76,847.48 is: 106,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,505.59 : 193,900.53 = 76,847.48 : x
  2. Step 2: Convert to fraction form
    140,505.59/193,900.53 = 76,847.48/x
  3. Step 3: Cross multiply
    140,505.59x = 193,900.53 × 76,847.48
  4. Step 4: Simplify right side
    140,505.59x = 14,900,767,101.16
  5. Step 5: Solve for x
    x = 14,900,767,101.16/140,505.59
  6. Step 6: Final answer
    x = 106,051.06

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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.