Home / 194,769.90-292,068.45-89,621.10

Finding the Fourth Proportional to 194,769.90, 292,068.45 and 89,621.10

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Solution

The fourth proportional to 194,769.90, 292,068.45 and 89,621.10 is: 134,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,769.90 : 292,068.45 = 89,621.10 : x
  2. Step 2: Convert to fraction form
    194,769.90/292,068.45 = 89,621.10/x
  3. Step 3: Cross multiply
    194,769.90x = 292,068.45 × 89,621.10
  4. Step 4: Simplify right side
    194,769.90x = 26,175,495,764.30
  5. Step 5: Solve for x
    x = 26,175,495,764.30/194,769.90
  6. Step 6: Final answer
    x = 134,391.89

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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.