Home / 194,377.20-291,465-89,105.52

Finding the Fourth Proportional to 194,377.20, 291,465 and 89,105.52

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Solution

The fourth proportional to 194,377.20, 291,465 and 89,105.52 is: 133,612.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,377.20 : 291,465 = 89,105.52 : x
  2. Step 2: Convert to fraction form
    194,377.20/291,465 = 89,105.52/x
  3. Step 3: Cross multiply
    194,377.20x = 291,465 × 89,105.52
  4. Step 4: Simplify right side
    194,377.20x = 25,971,140,386.80
  5. Step 5: Solve for x
    x = 25,971,140,386.80/194,377.20
  6. Step 6: Final answer
    x = 133,612.07

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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.