Home / 147,549.54-221,270.04-52,754.12

Finding the Fourth Proportional to 147,549.54, 221,270.04 and 52,754.12

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Solution

The fourth proportional to 147,549.54, 221,270.04 and 52,754.12 is: 79,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,549.54 : 221,270.04 = 52,754.12 : x
  2. Step 2: Convert to fraction form
    147,549.54/221,270.04 = 52,754.12/x
  3. Step 3: Cross multiply
    147,549.54x = 221,270.04 × 52,754.12
  4. Step 4: Simplify right side
    147,549.54x = 11,672,905,136.21
  5. Step 5: Solve for x
    x = 11,672,905,136.21/147,549.54
  6. Step 6: Final answer
    x = 79,111.77

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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.