Home / 194,622.80-291,934.20-89,646.80

Finding the Fourth Proportional to 194,622.80, 291,934.20 and 89,646.80

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Solution

The fourth proportional to 194,622.80, 291,934.20 and 89,646.80 is: 134,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,622.80 : 291,934.20 = 89,646.80 : x
  2. Step 2: Convert to fraction form
    194,622.80/291,934.20 = 89,646.80/x
  3. Step 3: Cross multiply
    194,622.80x = 291,934.20 × 89,646.80
  4. Step 4: Simplify right side
    194,622.80x = 26,170,966,840.56
  5. Step 5: Solve for x
    x = 26,170,966,840.56/194,622.80
  6. Step 6: Final answer
    x = 134,470.20

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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.