Home / 147,262.86-220,828.68-53,703

Finding the Fourth Proportional to 147,262.86, 220,828.68 and 53,703

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Solution

The fourth proportional to 147,262.86, 220,828.68 and 53,703 is: 80,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,262.86 : 220,828.68 = 53,703 : x
  2. Step 2: Convert to fraction form
    147,262.86/220,828.68 = 53,703/x
  3. Step 3: Cross multiply
    147,262.86x = 220,828.68 × 53,703
  4. Step 4: Simplify right side
    147,262.86x = 11,859,162,602.04
  5. Step 5: Solve for x
    x = 11,859,162,602.04/147,262.86
  6. Step 6: Final answer
    x = 80,530.57

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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.