Home / 94,722.60-142,199.10-71,164.20

Finding the Fourth Proportional to 94,722.60, 142,199.10 and 71,164.20

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Solution

The fourth proportional to 94,722.60, 142,199.10 and 71,164.20 is: 106,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,722.60 : 142,199.10 = 71,164.20 : x
  2. Step 2: Convert to fraction form
    94,722.60/142,199.10 = 71,164.20/x
  3. Step 3: Cross multiply
    94,722.60x = 142,199.10 × 71,164.20
  4. Step 4: Simplify right side
    94,722.60x = 10,119,485,192.22
  5. Step 5: Solve for x
    x = 10,119,485,192.22/94,722.60
  6. Step 6: Final answer
    x = 106,832.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.