Home / 194,345.40-291,647.70-89,110.20

Finding the Fourth Proportional to 194,345.40, 291,647.70 and 89,110.20

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Solution

The fourth proportional to 194,345.40, 291,647.70 and 89,110.20 is: 133,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,345.40 : 291,647.70 = 89,110.20 : x
  2. Step 2: Convert to fraction form
    194,345.40/291,647.70 = 89,110.20/x
  3. Step 3: Cross multiply
    194,345.40x = 291,647.70 × 89,110.20
  4. Step 4: Simplify right side
    194,345.40x = 25,988,784,876.54
  5. Step 5: Solve for x
    x = 25,988,784,876.54/194,345.40
  6. Step 6: Final answer
    x = 133,724.72

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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.