Home / 108,635.28-162,209.73-97,317.56

Finding the Fourth Proportional to 108,635.28, 162,209.73 and 97,317.56

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Solution

The fourth proportional to 108,635.28, 162,209.73 and 97,317.56 is: 145,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,635.28 : 162,209.73 = 97,317.56 : x
  2. Step 2: Convert to fraction form
    108,635.28/162,209.73 = 97,317.56/x
  3. Step 3: Cross multiply
    108,635.28x = 162,209.73 × 97,317.56
  4. Step 4: Simplify right side
    108,635.28x = 15,785,854,320.81
  5. Step 5: Solve for x
    x = 15,785,854,320.81/108,635.28
  6. Step 6: Final answer
    x = 145,310.57

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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.