Home / 147,625.13-221,472.81-47,785.34

Finding the Fourth Proportional to 147,625.13, 221,472.81 and 47,785.34

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Solution

The fourth proportional to 147,625.13, 221,472.81 and 47,785.34 is: 71,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,625.13 : 221,472.81 = 47,785.34 : x
  2. Step 2: Convert to fraction form
    147,625.13/221,472.81 = 47,785.34/x
  3. Step 3: Cross multiply
    147,625.13x = 221,472.81 × 47,785.34
  4. Step 4: Simplify right side
    147,625.13x = 10,583,152,419.24
  5. Step 5: Solve for x
    x = 10,583,152,419.24/147,625.13
  6. Step 6: Final answer
    x = 71,689.37

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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.