Home / 153,934.56-212,427.62-85,952.66

Finding the Fourth Proportional to 153,934.56, 212,427.62 and 85,952.66

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Solution

The fourth proportional to 153,934.56, 212,427.62 and 85,952.66 is: 118,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,934.56 : 212,427.62 = 85,952.66 : x
  2. Step 2: Convert to fraction form
    153,934.56/212,427.62 = 85,952.66/x
  3. Step 3: Cross multiply
    153,934.56x = 212,427.62 × 85,952.66
  4. Step 4: Simplify right side
    153,934.56x = 18,258,718,996.47
  5. Step 5: Solve for x
    x = 18,258,718,996.47/153,934.56
  6. Step 6: Final answer
    x = 118,613.51

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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.