Home / 147,854.31-221,799.92-57,885.41

Finding the Fourth Proportional to 147,854.31, 221,799.92 and 57,885.41

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Solution

The fourth proportional to 147,854.31, 221,799.92 and 57,885.41 is: 86,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,854.31 : 221,799.92 = 57,885.41 : x
  2. Step 2: Convert to fraction form
    147,854.31/221,799.92 = 57,885.41/x
  3. Step 3: Cross multiply
    147,854.31x = 221,799.92 × 57,885.41
  4. Step 4: Simplify right side
    147,854.31x = 12,838,977,908.74
  5. Step 5: Solve for x
    x = 12,838,977,908.74/147,854.31
  6. Step 6: Final answer
    x = 86,835.33

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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.