Home / 319,126.92-440,377.20-175,886.52

Finding the Fourth Proportional to 319,126.92, 440,377.20 and 175,886.52

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Solution

The fourth proportional to 319,126.92, 440,377.20 and 175,886.52 is: 242,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,126.92 : 440,377.20 = 175,886.52 : x
  2. Step 2: Convert to fraction form
    319,126.92/440,377.20 = 175,886.52/x
  3. Step 3: Cross multiply
    319,126.92x = 440,377.20 × 175,886.52
  4. Step 4: Simplify right side
    319,126.92x = 77,456,413,195.34
  5. Step 5: Solve for x
    x = 77,456,413,195.34/319,126.92
  6. Step 6: Final answer
    x = 242,713.50

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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.