Home / 140,036.26-209,866.76-131,068.18

Finding the Fourth Proportional to 140,036.26, 209,866.76 and 131,068.18

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Solution

The fourth proportional to 140,036.26, 209,866.76 and 131,068.18 is: 196,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,036.26 : 209,866.76 = 131,068.18 : x
  2. Step 2: Convert to fraction form
    140,036.26/209,866.76 = 131,068.18/x
  3. Step 3: Cross multiply
    140,036.26x = 209,866.76 × 131,068.18
  4. Step 4: Simplify right side
    140,036.26x = 27,506,854,275.70
  5. Step 5: Solve for x
    x = 27,506,854,275.70/140,036.26
  6. Step 6: Final answer
    x = 196,426.66

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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.