Home / 142,255.28-196,065.48-103,952.24

Finding the Fourth Proportional to 142,255.28, 196,065.48 and 103,952.24

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Solution

The fourth proportional to 142,255.28, 196,065.48 and 103,952.24 is: 143,273.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,255.28 : 196,065.48 = 103,952.24 : x
  2. Step 2: Convert to fraction form
    142,255.28/196,065.48 = 103,952.24/x
  3. Step 3: Cross multiply
    142,255.28x = 196,065.48 × 103,952.24
  4. Step 4: Simplify right side
    142,255.28x = 20,381,445,832.68
  5. Step 5: Solve for x
    x = 20,381,445,832.68/142,255.28
  6. Step 6: Final answer
    x = 143,273.74

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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.