Home / 141,621.28-195,437.34-77,959.06

Finding the Fourth Proportional to 141,621.28, 195,437.34 and 77,959.06

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Solution

The fourth proportional to 141,621.28, 195,437.34 and 77,959.06 is: 107,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,621.28 : 195,437.34 = 77,959.06 : x
  2. Step 2: Convert to fraction form
    141,621.28/195,437.34 = 77,959.06/x
  3. Step 3: Cross multiply
    141,621.28x = 195,437.34 × 77,959.06
  4. Step 4: Simplify right side
    141,621.28x = 15,236,111,315.30
  5. Step 5: Solve for x
    x = 15,236,111,315.30/141,621.28
  6. Step 6: Final answer
    x = 107,583.49

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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.