Home / 194,537.40-291,806.10-111,439.80

Finding the Fourth Proportional to 194,537.40, 291,806.10 and 111,439.80

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Solution

The fourth proportional to 194,537.40, 291,806.10 and 111,439.80 is: 167,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,537.40 : 291,806.10 = 111,439.80 : x
  2. Step 2: Convert to fraction form
    194,537.40/291,806.10 = 111,439.80/x
  3. Step 3: Cross multiply
    194,537.40x = 291,806.10 × 111,439.80
  4. Step 4: Simplify right side
    194,537.40x = 32,518,813,422.78
  5. Step 5: Solve for x
    x = 32,518,813,422.78/194,537.40
  6. Step 6: Final answer
    x = 167,159.70

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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.