Home / 141,312.13-195,019.46-80,881.48

Finding the Fourth Proportional to 141,312.13, 195,019.46 and 80,881.48

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Solution

The fourth proportional to 141,312.13, 195,019.46 and 80,881.48 is: 111,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,312.13 : 195,019.46 = 80,881.48 : x
  2. Step 2: Convert to fraction form
    141,312.13/195,019.46 = 80,881.48/x
  3. Step 3: Cross multiply
    141,312.13x = 195,019.46 × 80,881.48
  4. Step 4: Simplify right side
    141,312.13x = 15,773,462,553.60
  5. Step 5: Solve for x
    x = 15,773,462,553.60/141,312.13
  6. Step 6: Final answer
    x = 111,621.43

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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.