Home / 147,663.12-221,475.69-47,813.34

Finding the Fourth Proportional to 147,663.12, 221,475.69 and 47,813.34

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Solution

The fourth proportional to 147,663.12, 221,475.69 and 47,813.34 is: 71,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,663.12 : 221,475.69 = 47,813.34 : x
  2. Step 2: Convert to fraction form
    147,663.12/221,475.69 = 47,813.34/x
  3. Step 3: Cross multiply
    147,663.12x = 221,475.69 × 47,813.34
  4. Step 4: Simplify right side
    147,663.12x = 10,589,492,467.70
  5. Step 5: Solve for x
    x = 10,589,492,467.70/147,663.12
  6. Step 6: Final answer
    x = 71,713.86

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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.