Home / 372,111.06-513,535.66-219,251.12

Finding the Fourth Proportional to 372,111.06, 513,535.66 and 219,251.12

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Solution

The fourth proportional to 372,111.06, 513,535.66 and 219,251.12 is: 302,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,111.06 : 513,535.66 = 219,251.12 : x
  2. Step 2: Convert to fraction form
    372,111.06/513,535.66 = 219,251.12/x
  3. Step 3: Cross multiply
    372,111.06x = 513,535.66 × 219,251.12
  4. Step 4: Simplify right side
    372,111.06x = 112,593,268,614.94
  5. Step 5: Solve for x
    x = 112,593,268,614.94/372,111.06
  6. Step 6: Final answer
    x = 302,579.74

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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.