Home / 141,562.36-195,351.16-77,894.20

Finding the Fourth Proportional to 141,562.36, 195,351.16 and 77,894.20

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Solution

The fourth proportional to 141,562.36, 195,351.16 and 77,894.20 is: 107,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,562.36 : 195,351.16 = 77,894.20 : x
  2. Step 2: Convert to fraction form
    141,562.36/195,351.16 = 77,894.20/x
  3. Step 3: Cross multiply
    141,562.36x = 195,351.16 × 77,894.20
  4. Step 4: Simplify right side
    141,562.36x = 15,216,722,327.27
  5. Step 5: Solve for x
    x = 15,216,722,327.27/141,562.36
  6. Step 6: Final answer
    x = 107,491.30

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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.