Home / 147,022.98-220,521.36-47,156.06

Finding the Fourth Proportional to 147,022.98, 220,521.36 and 47,156.06

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Solution

The fourth proportional to 147,022.98, 220,521.36 and 47,156.06 is: 70,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,022.98 : 220,521.36 = 47,156.06 : x
  2. Step 2: Convert to fraction form
    147,022.98/220,521.36 = 47,156.06/x
  3. Step 3: Cross multiply
    147,022.98x = 220,521.36 × 47,156.06
  4. Step 4: Simplify right side
    147,022.98x = 10,398,918,483.44
  5. Step 5: Solve for x
    x = 10,398,918,483.44/147,022.98
  6. Step 6: Final answer
    x = 70,729.89

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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.