Home / 147,480.10-221,252.55-47,623.30

Finding the Fourth Proportional to 147,480.10, 221,252.55 and 47,623.30

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Solution

The fourth proportional to 147,480.10, 221,252.55 and 47,623.30 is: 71,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,480.10 : 221,252.55 = 47,623.30 : x
  2. Step 2: Convert to fraction form
    147,480.10/221,252.55 = 47,623.30/x
  3. Step 3: Cross multiply
    147,480.10x = 221,252.55 × 47,623.30
  4. Step 4: Simplify right side
    147,480.10x = 10,536,776,564.42
  5. Step 5: Solve for x
    x = 10,536,776,564.42/147,480.10
  6. Step 6: Final answer
    x = 71,445.41

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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.