Home / 319,077.39-440,326.80-175,837.43

Finding the Fourth Proportional to 319,077.39, 440,326.80 and 175,837.43

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Solution

The fourth proportional to 319,077.39, 440,326.80 and 175,837.43 is: 242,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,077.39 : 440,326.80 = 175,837.43 : x
  2. Step 2: Convert to fraction form
    319,077.39/440,326.80 = 175,837.43/x
  3. Step 3: Cross multiply
    319,077.39x = 440,326.80 × 175,837.43
  4. Step 4: Simplify right side
    319,077.39x = 77,425,933,972.94
  5. Step 5: Solve for x
    x = 77,425,933,972.94/319,077.39
  6. Step 6: Final answer
    x = 242,655.66

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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.