Home / 147,863.12-221,813.10-57,894.21

Finding the Fourth Proportional to 147,863.12, 221,813.10 and 57,894.21

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Solution

The fourth proportional to 147,863.12, 221,813.10 and 57,894.21 is: 86,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,863.12 : 221,813.10 = 57,894.21 : x
  2. Step 2: Convert to fraction form
    147,863.12/221,813.10 = 57,894.21/x
  3. Step 3: Cross multiply
    147,863.12x = 221,813.10 × 57,894.21
  4. Step 4: Simplify right side
    147,863.12x = 12,841,694,192.15
  5. Step 5: Solve for x
    x = 12,841,694,192.15/147,863.12
  6. Step 6: Final answer
    x = 86,848.53

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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.