Home / 112,926.10-169,279.80-101,116.30

Finding the Fourth Proportional to 112,926.10, 169,279.80 and 101,116.30

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Solution

The fourth proportional to 112,926.10, 169,279.80 and 101,116.30 is: 151,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,926.10 : 169,279.80 = 101,116.30 : x
  2. Step 2: Convert to fraction form
    112,926.10/169,279.80 = 101,116.30/x
  3. Step 3: Cross multiply
    112,926.10x = 169,279.80 × 101,116.30
  4. Step 4: Simplify right side
    112,926.10x = 17,116,947,040.74
  5. Step 5: Solve for x
    x = 17,116,947,040.74/112,926.10
  6. Step 6: Final answer
    x = 151,576.54

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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.