Home / 105,693.80-158,535.18-26,808.70

Finding the Fourth Proportional to 105,693.80, 158,535.18 and 26,808.70

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Solution

The fourth proportional to 105,693.80, 158,535.18 and 26,808.70 is: 40,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,693.80 : 158,535.18 = 26,808.70 : x
  2. Step 2: Convert to fraction form
    105,693.80/158,535.18 = 26,808.70/x
  3. Step 3: Cross multiply
    105,693.80x = 158,535.18 × 26,808.70
  4. Step 4: Simplify right side
    105,693.80x = 4,250,122,080.07
  5. Step 5: Solve for x
    x = 4,250,122,080.07/105,693.80
  6. Step 6: Final answer
    x = 40,211.65

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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.