Home / 142,593.20-196,783.26-82,159.16

Finding the Fourth Proportional to 142,593.20, 196,783.26 and 82,159.16

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Solution

The fourth proportional to 142,593.20, 196,783.26 and 82,159.16 is: 113,382.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,593.20 : 196,783.26 = 82,159.16 : x
  2. Step 2: Convert to fraction form
    142,593.20/196,783.26 = 82,159.16/x
  3. Step 3: Cross multiply
    142,593.20x = 196,783.26 × 82,159.16
  4. Step 4: Simplify right side
    142,593.20x = 16,167,547,343.66
  5. Step 5: Solve for x
    x = 16,167,547,343.66/142,593.20
  6. Step 6: Final answer
    x = 113,382.32

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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.