Home / 108,156.12-162,242.70-38,051.16

Finding the Fourth Proportional to 108,156.12, 162,242.70 and 38,051.16

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Solution

The fourth proportional to 108,156.12, 162,242.70 and 38,051.16 is: 57,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,156.12 : 162,242.70 = 38,051.16 : x
  2. Step 2: Convert to fraction form
    108,156.12/162,242.70 = 38,051.16/x
  3. Step 3: Cross multiply
    108,156.12x = 162,242.70 × 38,051.16
  4. Step 4: Simplify right side
    108,156.12x = 6,173,522,936.53
  5. Step 5: Solve for x
    x = 6,173,522,936.53/108,156.12
  6. Step 6: Final answer
    x = 57,079.74

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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.