Home / 212,531.04-293,168.16-127,668.96

Finding the Fourth Proportional to 212,531.04, 293,168.16 and 127,668.96

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Solution

The fourth proportional to 212,531.04, 293,168.16 and 127,668.96 is: 176,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,531.04 : 293,168.16 = 127,668.96 : x
  2. Step 2: Convert to fraction form
    212,531.04/293,168.16 = 127,668.96/x
  3. Step 3: Cross multiply
    212,531.04x = 293,168.16 × 127,668.96
  4. Step 4: Simplify right side
    212,531.04x = 37,428,474,092.31
  5. Step 5: Solve for x
    x = 37,428,474,092.31/212,531.04
  6. Step 6: Final answer
    x = 176,108.27

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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.