Home / 194,799.40-292,112.70-89,564.20

Finding the Fourth Proportional to 194,799.40, 292,112.70 and 89,564.20

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Solution

The fourth proportional to 194,799.40, 292,112.70 and 89,564.20 is: 134,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,799.40 : 292,112.70 = 89,564.20 : x
  2. Step 2: Convert to fraction form
    194,799.40/292,112.70 = 89,564.20/x
  3. Step 3: Cross multiply
    194,799.40x = 292,112.70 × 89,564.20
  4. Step 4: Simplify right side
    194,799.40x = 26,162,840,285.34
  5. Step 5: Solve for x
    x = 26,162,840,285.34/194,799.40
  6. Step 6: Final answer
    x = 134,306.58

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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.