Home / 147,865.10-221,830.05-48,008.30

Finding the Fourth Proportional to 147,865.10, 221,830.05 and 48,008.30

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Solution

The fourth proportional to 147,865.10, 221,830.05 and 48,008.30 is: 72,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,865.10 : 221,830.05 = 48,008.30 : x
  2. Step 2: Convert to fraction form
    147,865.10/221,830.05 = 48,008.30/x
  3. Step 3: Cross multiply
    147,865.10x = 221,830.05 × 48,008.30
  4. Step 4: Simplify right side
    147,865.10x = 10,649,683,589.42
  5. Step 5: Solve for x
    x = 10,649,683,589.42/147,865.10
  6. Step 6: Final answer
    x = 72,022.97

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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.