Home / 161,633.24-242,328.90-111,570.40

Finding the Fourth Proportional to 161,633.24, 242,328.90 and 111,570.40

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Solution

The fourth proportional to 161,633.24, 242,328.90 and 111,570.40 is: 167,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,633.24 : 242,328.90 = 111,570.40 : x
  2. Step 2: Convert to fraction form
    161,633.24/242,328.90 = 111,570.40/x
  3. Step 3: Cross multiply
    161,633.24x = 242,328.90 × 111,570.40
  4. Step 4: Simplify right side
    161,633.24x = 27,036,732,304.56
  5. Step 5: Solve for x
    x = 27,036,732,304.56/161,633.24
  6. Step 6: Final answer
    x = 167,272.11

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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.