Home / 219,132.04-302,402.28-123,658.96

Finding the Fourth Proportional to 219,132.04, 302,402.28 and 123,658.96

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Solution

The fourth proportional to 219,132.04, 302,402.28 and 123,658.96 is: 170,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,132.04 : 302,402.28 = 123,658.96 : x
  2. Step 2: Convert to fraction form
    219,132.04/302,402.28 = 123,658.96/x
  3. Step 3: Cross multiply
    219,132.04x = 302,402.28 × 123,658.96
  4. Step 4: Simplify right side
    219,132.04x = 37,394,751,446.43
  5. Step 5: Solve for x
    x = 37,394,751,446.43/219,132.04
  6. Step 6: Final answer
    x = 170,649.40

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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.