Home / 189,909.06-262,079.07-103,876.13

Finding the Fourth Proportional to 189,909.06, 262,079.07 and 103,876.13

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Solution

The fourth proportional to 189,909.06, 262,079.07 and 103,876.13 is: 143,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,909.06 : 262,079.07 = 103,876.13 : x
  2. Step 2: Convert to fraction form
    189,909.06/262,079.07 = 103,876.13/x
  3. Step 3: Cross multiply
    189,909.06x = 262,079.07 × 103,876.13
  4. Step 4: Simplify right side
    189,909.06x = 27,223,758,235.20
  5. Step 5: Solve for x
    x = 27,223,758,235.20/189,909.06
  6. Step 6: Final answer
    x = 143,351.55

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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.