Home / 207,673.45-286,589.19-112,180.12

Finding the Fourth Proportional to 207,673.45, 286,589.19 and 112,180.12

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Solution

The fourth proportional to 207,673.45, 286,589.19 and 112,180.12 is: 154,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,673.45 : 286,589.19 = 112,180.12 : x
  2. Step 2: Convert to fraction form
    207,673.45/286,589.19 = 112,180.12/x
  3. Step 3: Cross multiply
    207,673.45x = 286,589.19 × 112,180.12
  4. Step 4: Simplify right side
    207,673.45x = 32,149,609,724.90
  5. Step 5: Solve for x
    x = 32,149,609,724.90/207,673.45
  6. Step 6: Final answer
    x = 154,808.47

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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.