Home / 194,961.40-292,398.36-89,679.28

Finding the Fourth Proportional to 194,961.40, 292,398.36 and 89,679.28

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Solution

The fourth proportional to 194,961.40, 292,398.36 and 89,679.28 is: 134,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,961.40 : 292,398.36 = 89,679.28 : x
  2. Step 2: Convert to fraction form
    194,961.40/292,398.36 = 89,679.28/x
  3. Step 3: Cross multiply
    194,961.40x = 292,398.36 × 89,679.28
  4. Step 4: Simplify right side
    194,961.40x = 26,222,074,397.98
  5. Step 5: Solve for x
    x = 26,222,074,397.98/194,961.40
  6. Step 6: Final answer
    x = 134,498.80

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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.