Home / 112,491.75-155,238.62-62,190.75

Finding the Fourth Proportional to 112,491.75, 155,238.62 and 62,190.75

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Solution

The fourth proportional to 112,491.75, 155,238.62 and 62,190.75 is: 85,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,491.75 : 155,238.62 = 62,190.75 : x
  2. Step 2: Convert to fraction form
    112,491.75/155,238.62 = 62,190.75/x
  3. Step 3: Cross multiply
    112,491.75x = 155,238.62 × 62,190.75
  4. Step 4: Simplify right side
    112,491.75x = 9,654,405,895.81
  5. Step 5: Solve for x
    x = 9,654,405,895.81/112,491.75
  6. Step 6: Final answer
    x = 85,823.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.