Home / 194,347.40-291,650.70-89,112.20

Finding the Fourth Proportional to 194,347.40, 291,650.70 and 89,112.20

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Solution

The fourth proportional to 194,347.40, 291,650.70 and 89,112.20 is: 133,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,347.40 : 291,650.70 = 89,112.20 : x
  2. Step 2: Convert to fraction form
    194,347.40/291,650.70 = 89,112.20/x
  3. Step 3: Cross multiply
    194,347.40x = 291,650.70 × 89,112.20
  4. Step 4: Simplify right side
    194,347.40x = 25,989,635,508.54
  5. Step 5: Solve for x
    x = 25,989,635,508.54/194,347.40
  6. Step 6: Final answer
    x = 133,727.72

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1.5x scale

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.