Home / 141,518.13-195,298.05-77,856.07

Finding the Fourth Proportional to 141,518.13, 195,298.05 and 77,856.07

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Solution

The fourth proportional to 141,518.13, 195,298.05 and 77,856.07 is: 107,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,518.13 : 195,298.05 = 77,856.07 : x
  2. Step 2: Convert to fraction form
    141,518.13/195,298.05 = 77,856.07/x
  3. Step 3: Cross multiply
    141,518.13x = 195,298.05 × 77,856.07
  4. Step 4: Simplify right side
    141,518.13x = 15,205,138,651.66
  5. Step 5: Solve for x
    x = 15,205,138,651.66/141,518.13
  6. Step 6: Final answer
    x = 107,443.04

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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.