Home / 141,589.20-195,386-77,925.36

Finding the Fourth Proportional to 141,589.20, 195,386 and 77,925.36

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Solution

The fourth proportional to 141,589.20, 195,386 and 77,925.36 is: 107,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,589.20 : 195,386 = 77,925.36 : x
  2. Step 2: Convert to fraction form
    141,589.20/195,386 = 77,925.36/x
  3. Step 3: Cross multiply
    141,589.20x = 195,386 × 77,925.36
  4. Step 4: Simplify right side
    141,589.20x = 15,225,524,388.96
  5. Step 5: Solve for x
    x = 15,225,524,388.96/141,589.20
  6. Step 6: Final answer
    x = 107,533.09

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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.