Home / 161,638.04-242,456.91-43,306.16

Finding the Fourth Proportional to 161,638.04, 242,456.91 and 43,306.16

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Solution

The fourth proportional to 161,638.04, 242,456.91 and 43,306.16 is: 64,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,638.04 : 242,456.91 = 43,306.16 : x
  2. Step 2: Convert to fraction form
    161,638.04/242,456.91 = 43,306.16/x
  3. Step 3: Cross multiply
    161,638.04x = 242,456.91 × 43,306.16
  4. Step 4: Simplify right side
    161,638.04x = 10,499,876,362.88
  5. Step 5: Solve for x
    x = 10,499,876,362.88/161,638.04
  6. Step 6: Final answer
    x = 64,959.19

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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.