Home / 194,342.32-291,279.48-89,016.40

Finding the Fourth Proportional to 194,342.32, 291,279.48 and 89,016.40

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Solution

The fourth proportional to 194,342.32, 291,279.48 and 89,016.40 is: 133,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,342.32 : 291,279.48 = 89,016.40 : x
  2. Step 2: Convert to fraction form
    194,342.32/291,279.48 = 89,016.40/x
  3. Step 3: Cross multiply
    194,342.32x = 291,279.48 × 89,016.40
  4. Step 4: Simplify right side
    194,342.32x = 25,928,650,703.47
  5. Step 5: Solve for x
    x = 25,928,650,703.47/194,342.32
  6. Step 6: Final answer
    x = 133,417.42

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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.