Home / 319,026.69-440,240.94-175,763.61

Finding the Fourth Proportional to 319,026.69, 440,240.94 and 175,763.61

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Solution

The fourth proportional to 319,026.69, 440,240.94 and 175,763.61 is: 242,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,026.69 : 440,240.94 = 175,763.61 : x
  2. Step 2: Convert to fraction form
    319,026.69/440,240.94 = 175,763.61/x
  3. Step 3: Cross multiply
    319,026.69x = 440,240.94 × 175,763.61
  4. Step 4: Simplify right side
    319,026.69x = 77,378,336,884.19
  5. Step 5: Solve for x
    x = 77,378,336,884.19/319,026.69
  6. Step 6: Final answer
    x = 242,545.03

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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.