Home / 319,223.76-440,531.64-175,988.85

Finding the Fourth Proportional to 319,223.76, 440,531.64 and 175,988.85

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Solution

The fourth proportional to 319,223.76, 440,531.64 and 175,988.85 is: 242,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,223.76 : 440,531.64 = 175,988.85 : x
  2. Step 2: Convert to fraction form
    319,223.76/440,531.64 = 175,988.85/x
  3. Step 3: Cross multiply
    319,223.76x = 440,531.64 × 175,988.85
  4. Step 4: Simplify right side
    319,223.76x = 77,528,656,712.21
  5. Step 5: Solve for x
    x = 77,528,656,712.21/319,223.76
  6. Step 6: Final answer
    x = 242,866.18

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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.