Home / 199,432.11-299,083.25-66,276.62

Finding the Fourth Proportional to 199,432.11, 299,083.25 and 66,276.62

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Solution

The fourth proportional to 199,432.11, 299,083.25 and 66,276.62 is: 99,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,432.11 : 299,083.25 = 66,276.62 : x
  2. Step 2: Convert to fraction form
    199,432.11/299,083.25 = 66,276.62/x
  3. Step 3: Cross multiply
    199,432.11x = 299,083.25 × 66,276.62
  4. Step 4: Simplify right side
    199,432.11x = 19,822,225,081.82
  5. Step 5: Solve for x
    x = 19,822,225,081.82/199,432.11
  6. Step 6: Final answer
    x = 99,393.35

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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.