Home / 162,080.12-223,541.96-98,416.56

Finding the Fourth Proportional to 162,080.12, 223,541.96 and 98,416.56

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Solution

The fourth proportional to 162,080.12, 223,541.96 and 98,416.56 is: 135,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,080.12 : 223,541.96 = 98,416.56 : x
  2. Step 2: Convert to fraction form
    162,080.12/223,541.96 = 98,416.56/x
  3. Step 3: Cross multiply
    162,080.12x = 223,541.96 × 98,416.56
  4. Step 4: Simplify right side
    162,080.12x = 22,000,230,718.86
  5. Step 5: Solve for x
    x = 22,000,230,718.86/162,080.12
  6. Step 6: Final answer
    x = 135,736.76

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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.