Home / 140,741.66-194,224.22-77,079.46

Finding the Fourth Proportional to 140,741.66, 194,224.22 and 77,079.46

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Solution

The fourth proportional to 140,741.66, 194,224.22 and 77,079.46 is: 106,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,741.66 : 194,224.22 = 77,079.46 : x
  2. Step 2: Convert to fraction form
    140,741.66/194,224.22 = 77,079.46/x
  3. Step 3: Cross multiply
    140,741.66x = 194,224.22 × 77,079.46
  4. Step 4: Simplify right side
    140,741.66x = 14,970,697,996.52
  5. Step 5: Solve for x
    x = 14,970,697,996.52/140,741.66
  6. Step 6: Final answer
    x = 106,370.05

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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.