Home / 147,573.72-221,283.72-52,767.36

Finding the Fourth Proportional to 147,573.72, 221,283.72 and 52,767.36

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Solution

The fourth proportional to 147,573.72, 221,283.72 and 52,767.36 is: 79,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,573.72 : 221,283.72 = 52,767.36 : x
  2. Step 2: Convert to fraction form
    147,573.72/221,283.72 = 52,767.36/x
  3. Step 3: Cross multiply
    147,573.72x = 221,283.72 × 52,767.36
  4. Step 4: Simplify right side
    147,573.72x = 11,676,557,715.38
  5. Step 5: Solve for x
    x = 11,676,557,715.38/147,573.72
  6. Step 6: Final answer
    x = 79,123.56

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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.