Home / 141,964.32-195,895.20-78,298.08

Finding the Fourth Proportional to 141,964.32, 195,895.20 and 78,298.08

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Solution

The fourth proportional to 141,964.32, 195,895.20 and 78,298.08 is: 108,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,964.32 : 195,895.20 = 78,298.08 : x
  2. Step 2: Convert to fraction form
    141,964.32/195,895.20 = 78,298.08/x
  3. Step 3: Cross multiply
    141,964.32x = 195,895.20 × 78,298.08
  4. Step 4: Simplify right side
    141,964.32x = 15,338,218,041.22
  5. Step 5: Solve for x
    x = 15,338,218,041.22/141,964.32
  6. Step 6: Final answer
    x = 108,042.77

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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.