Home / 219,144.54-302,456.52-127,249.50

Finding the Fourth Proportional to 219,144.54, 302,456.52 and 127,249.50

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Solution

The fourth proportional to 219,144.54, 302,456.52 and 127,249.50 is: 175,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,144.54 : 302,456.52 = 127,249.50 : x
  2. Step 2: Convert to fraction form
    219,144.54/302,456.52 = 127,249.50/x
  3. Step 3: Cross multiply
    219,144.54x = 302,456.52 × 127,249.50
  4. Step 4: Simplify right side
    219,144.54x = 38,487,440,941.74
  5. Step 5: Solve for x
    x = 38,487,440,941.74/219,144.54
  6. Step 6: Final answer
    x = 175,625.83

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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.