Home / 141,376.35-195,094.42-77,713.69

Finding the Fourth Proportional to 141,376.35, 195,094.42 and 77,713.69

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Solution

The fourth proportional to 141,376.35, 195,094.42 and 77,713.69 is: 107,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,376.35 : 195,094.42 = 77,713.69 : x
  2. Step 2: Convert to fraction form
    141,376.35/195,094.42 = 77,713.69/x
  3. Step 3: Cross multiply
    141,376.35x = 195,094.42 × 77,713.69
  4. Step 4: Simplify right side
    141,376.35x = 15,161,507,276.61
  5. Step 5: Solve for x
    x = 15,161,507,276.61/141,376.35
  6. Step 6: Final answer
    x = 107,242.18

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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.