Home / 108,636.28-162,211.22-97,318.56

Finding the Fourth Proportional to 108,636.28, 162,211.22 and 97,318.56

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Solution

The fourth proportional to 108,636.28, 162,211.22 and 97,318.56 is: 145,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,636.28 : 162,211.22 = 97,318.56 : x
  2. Step 2: Convert to fraction form
    108,636.28/162,211.22 = 97,318.56/x
  3. Step 3: Cross multiply
    108,636.28x = 162,211.22 × 97,318.56
  4. Step 4: Simplify right side
    108,636.28x = 15,786,162,346.24
  5. Step 5: Solve for x
    x = 15,786,162,346.24/108,636.28
  6. Step 6: Final answer
    x = 145,312.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.