Home / 194,638.60-292,001.10-89,432.20

Finding the Fourth Proportional to 194,638.60, 292,001.10 and 89,432.20

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Solution

The fourth proportional to 194,638.60, 292,001.10 and 89,432.20 is: 134,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,638.60 : 292,001.10 = 89,432.20 : x
  2. Step 2: Convert to fraction form
    194,638.60/292,001.10 = 89,432.20/x
  3. Step 3: Cross multiply
    194,638.60x = 292,001.10 × 89,432.20
  4. Step 4: Simplify right side
    194,638.60x = 26,114,300,775.42
  5. Step 5: Solve for x
    x = 26,114,300,775.42/194,638.60
  6. Step 6: Final answer
    x = 134,168.15

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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.