Home / 142,952.73-214,460.28-54,207.11

Finding the Fourth Proportional to 142,952.73, 214,460.28 and 54,207.11

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Solution

The fourth proportional to 142,952.73, 214,460.28 and 54,207.11 is: 81,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,952.73 : 214,460.28 = 54,207.11 : x
  2. Step 2: Convert to fraction form
    142,952.73/214,460.28 = 54,207.11/x
  3. Step 3: Cross multiply
    142,952.73x = 214,460.28 × 54,207.11
  4. Step 4: Simplify right side
    142,952.73x = 11,625,270,916.29
  5. Step 5: Solve for x
    x = 11,625,270,916.29/142,952.73
  6. Step 6: Final answer
    x = 81,322.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.