Home / 194,719.40-292,079.10-172,946.60

Finding the Fourth Proportional to 194,719.40, 292,079.10 and 172,946.60

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Solution

The fourth proportional to 194,719.40, 292,079.10 and 172,946.60 is: 259,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,719.40 : 292,079.10 = 172,946.60 : x
  2. Step 2: Convert to fraction form
    194,719.40/292,079.10 = 172,946.60/x
  3. Step 3: Cross multiply
    194,719.40x = 292,079.10 × 172,946.60
  4. Step 4: Simplify right side
    194,719.40x = 50,514,087,276.06
  5. Step 5: Solve for x
    x = 50,514,087,276.06/194,719.40
  6. Step 6: Final answer
    x = 259,419.90

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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.