Home / 319,112.16-440,384.04-175,881.48

Finding the Fourth Proportional to 319,112.16, 440,384.04 and 175,881.48

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Solution

The fourth proportional to 319,112.16, 440,384.04 and 175,881.48 is: 242,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,112.16 : 440,384.04 = 175,881.48 : x
  2. Step 2: Convert to fraction form
    319,112.16/440,384.04 = 175,881.48/x
  3. Step 3: Cross multiply
    319,112.16x = 440,384.04 × 175,881.48
  4. Step 4: Simplify right side
    319,112.16x = 77,455,396,723.58
  5. Step 5: Solve for x
    x = 77,455,396,723.58/319,112.16
  6. Step 6: Final answer
    x = 242,721.55

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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.