Home / 194,811.90-292,131.45-89,663.10

Finding the Fourth Proportional to 194,811.90, 292,131.45 and 89,663.10

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Solution

The fourth proportional to 194,811.90, 292,131.45 and 89,663.10 is: 134,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,811.90 : 292,131.45 = 89,663.10 : x
  2. Step 2: Convert to fraction form
    194,811.90/292,131.45 = 89,663.10/x
  3. Step 3: Cross multiply
    194,811.90x = 292,131.45 × 89,663.10
  4. Step 4: Simplify right side
    194,811.90x = 26,193,411,414.50
  5. Step 5: Solve for x
    x = 26,193,411,414.50/194,811.90
  6. Step 6: Final answer
    x = 134,454.88

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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.