Home / 199,531.50-275,281.38-153,605.18

Finding the Fourth Proportional to 199,531.50, 275,281.38 and 153,605.18

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Solution

The fourth proportional to 199,531.50, 275,281.38 and 153,605.18 is: 211,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,531.50 : 275,281.38 = 153,605.18 : x
  2. Step 2: Convert to fraction form
    199,531.50/275,281.38 = 153,605.18/x
  3. Step 3: Cross multiply
    199,531.50x = 275,281.38 × 153,605.18
  4. Step 4: Simplify right side
    199,531.50x = 42,284,645,925.55
  5. Step 5: Solve for x
    x = 42,284,645,925.55/199,531.50
  6. Step 6: Final answer
    x = 211,919.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.