Home / 161,617.74-242,305.68-111,554.88

Finding the Fourth Proportional to 161,617.74, 242,305.68 and 111,554.88

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Solution

The fourth proportional to 161,617.74, 242,305.68 and 111,554.88 is: 167,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,617.74 : 242,305.68 = 111,554.88 : x
  2. Step 2: Convert to fraction form
    161,617.74/242,305.68 = 111,554.88/x
  3. Step 3: Cross multiply
    161,617.74x = 242,305.68 × 111,554.88
  4. Step 4: Simplify right side
    161,617.74x = 27,030,381,055.72
  5. Step 5: Solve for x
    x = 27,030,381,055.72/161,617.74
  6. Step 6: Final answer
    x = 167,248.85

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1.5x scale

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.