Home / 319,131.05-440,402.88-175,891.10

Finding the Fourth Proportional to 319,131.05, 440,402.88 and 175,891.10

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Solution

The fourth proportional to 319,131.05, 440,402.88 and 175,891.10 is: 242,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,131.05 : 440,402.88 = 175,891.10 : x
  2. Step 2: Convert to fraction form
    319,131.05/440,402.88 = 175,891.10/x
  3. Step 3: Cross multiply
    319,131.05x = 440,402.88 × 175,891.10
  4. Step 4: Simplify right side
    319,131.05x = 77,462,944,804.35
  5. Step 5: Solve for x
    x = 77,462,944,804.35/319,131.05
  6. Step 6: Final answer
    x = 242,730.83

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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.