Home / 147,876.63-221,833.32-57,907.72

Finding the Fourth Proportional to 147,876.63, 221,833.32 and 57,907.72

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Solution

The fourth proportional to 147,876.63, 221,833.32 and 57,907.72 is: 86,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,876.63 : 221,833.32 = 57,907.72 : x
  2. Step 2: Convert to fraction form
    147,876.63/221,833.32 = 57,907.72/x
  3. Step 3: Cross multiply
    147,876.63x = 221,833.32 × 57,907.72
  4. Step 4: Simplify right side
    147,876.63x = 12,845,861,781.23
  5. Step 5: Solve for x
    x = 12,845,861,781.23/147,876.63
  6. Step 6: Final answer
    x = 86,868.78

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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.