Home / 147,216.15-220,703.54-52,392.34

Finding the Fourth Proportional to 147,216.15, 220,703.54 and 52,392.34

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Solution

The fourth proportional to 147,216.15, 220,703.54 and 52,392.34 is: 78,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,216.15 : 220,703.54 = 52,392.34 : x
  2. Step 2: Convert to fraction form
    147,216.15/220,703.54 = 52,392.34/x
  3. Step 3: Cross multiply
    147,216.15x = 220,703.54 × 52,392.34
  4. Step 4: Simplify right side
    147,216.15x = 11,563,174,906.88
  5. Step 5: Solve for x
    x = 11,563,174,906.88/147,216.15
  6. Step 6: Final answer
    x = 78,545.56

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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.