Home / 207,375.24-286,264.50-140,346.12

Finding the Fourth Proportional to 207,375.24, 286,264.50 and 140,346.12

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Solution

The fourth proportional to 207,375.24, 286,264.50 and 140,346.12 is: 193,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,375.24 : 286,264.50 = 140,346.12 : x
  2. Step 2: Convert to fraction form
    207,375.24/286,264.50 = 140,346.12/x
  3. Step 3: Cross multiply
    207,375.24x = 286,264.50 × 140,346.12
  4. Step 4: Simplify right side
    207,375.24x = 40,176,111,868.74
  5. Step 5: Solve for x
    x = 40,176,111,868.74/207,375.24
  6. Step 6: Final answer
    x = 193,736.30

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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.