Home / 112,065.30-167,950.35-82,343.70

Finding the Fourth Proportional to 112,065.30, 167,950.35 and 82,343.70

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Solution

The fourth proportional to 112,065.30, 167,950.35 and 82,343.70 is: 123,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,065.30 : 167,950.35 = 82,343.70 : x
  2. Step 2: Convert to fraction form
    112,065.30/167,950.35 = 82,343.70/x
  3. Step 3: Cross multiply
    112,065.30x = 167,950.35 × 82,343.70
  4. Step 4: Simplify right side
    112,065.30x = 13,829,653,235.30
  5. Step 5: Solve for x
    x = 13,829,653,235.30/112,065.30
  6. Step 6: Final answer
    x = 123,407.10

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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.