Home / 195,259.38-292,915.26-68,869.91

Finding the Fourth Proportional to 195,259.38, 292,915.26 and 68,869.91

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Solution

The fourth proportional to 195,259.38, 292,915.26 and 68,869.91 is: 103,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,259.38 : 292,915.26 = 68,869.91 : x
  2. Step 2: Convert to fraction form
    195,259.38/292,915.26 = 68,869.91/x
  3. Step 3: Cross multiply
    195,259.38x = 292,915.26 × 68,869.91
  4. Step 4: Simplify right side
    195,259.38x = 20,173,048,326.11
  5. Step 5: Solve for x
    x = 20,173,048,326.11/195,259.38
  6. Step 6: Final answer
    x = 103,314.11

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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.