Home / 319,222.34-440,529.81-175,987.52

Finding the Fourth Proportional to 319,222.34, 440,529.81 and 175,987.52

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Solution

The fourth proportional to 319,222.34, 440,529.81 and 175,987.52 is: 242,864.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,222.34 : 440,529.81 = 175,987.52 : x
  2. Step 2: Convert to fraction form
    319,222.34/440,529.81 = 175,987.52/x
  3. Step 3: Cross multiply
    319,222.34x = 440,529.81 × 175,987.52
  4. Step 4: Simplify right side
    319,222.34x = 77,527,748,747.97
  5. Step 5: Solve for x
    x = 77,527,748,747.97/319,222.34
  6. Step 6: Final answer
    x = 242,864.42

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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.