Home / 147,548.82-221,257.95-42,343.38

Finding the Fourth Proportional to 147,548.82, 221,257.95 and 42,343.38

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Solution

The fourth proportional to 147,548.82, 221,257.95 and 42,343.38 is: 63,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,548.82 : 221,257.95 = 42,343.38 : x
  2. Step 2: Convert to fraction form
    147,548.82/221,257.95 = 42,343.38/x
  3. Step 3: Cross multiply
    147,548.82x = 221,257.95 × 42,343.38
  4. Step 4: Simplify right side
    147,548.82x = 9,368,809,454.87
  5. Step 5: Solve for x
    x = 9,368,809,454.87/147,548.82
  6. Step 6: Final answer
    x = 63,496.34

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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.