Home / 108,099.50-161,439.53-92,134.40

Finding the Fourth Proportional to 108,099.50, 161,439.53 and 92,134.40

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Solution

The fourth proportional to 108,099.50, 161,439.53 and 92,134.40 is: 137,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,099.50 : 161,439.53 = 92,134.40 : x
  2. Step 2: Convert to fraction form
    108,099.50/161,439.53 = 92,134.40/x
  3. Step 3: Cross multiply
    108,099.50x = 161,439.53 × 92,134.40
  4. Step 4: Simplify right side
    108,099.50x = 14,874,132,964.96
  5. Step 5: Solve for x
    x = 14,874,132,964.96/108,099.50
  6. Step 6: Final answer
    x = 137,596.69

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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.