Home / 179,111.04-247,233.94-111,167.78

Finding the Fourth Proportional to 179,111.04, 247,233.94 and 111,167.78

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Solution

The fourth proportional to 179,111.04, 247,233.94 and 111,167.78 is: 153,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,111.04 : 247,233.94 = 111,167.78 : x
  2. Step 2: Convert to fraction form
    179,111.04/247,233.94 = 111,167.78/x
  3. Step 3: Cross multiply
    179,111.04x = 247,233.94 × 111,167.78
  4. Step 4: Simplify right side
    179,111.04x = 27,484,448,250.45
  5. Step 5: Solve for x
    x = 27,484,448,250.45/179,111.04
  6. Step 6: Final answer
    x = 153,449.21

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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.