Home / 147,584.30-221,340.45-42,392.30

Finding the Fourth Proportional to 147,584.30, 221,340.45 and 42,392.30

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Solution

The fourth proportional to 147,584.30, 221,340.45 and 42,392.30 is: 63,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,584.30 : 221,340.45 = 42,392.30 : x
  2. Step 2: Convert to fraction form
    147,584.30/221,340.45 = 42,392.30/x
  3. Step 3: Cross multiply
    147,584.30x = 221,340.45 × 42,392.30
  4. Step 4: Simplify right side
    147,584.30x = 9,383,130,758.54
  5. Step 5: Solve for x
    x = 9,383,130,758.54/147,584.30
  6. Step 6: Final answer
    x = 63,578.11

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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.