Home / 221,834.07-332,595.27-77,704.65

Finding the Fourth Proportional to 221,834.07, 332,595.27 and 77,704.65

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Solution

The fourth proportional to 221,834.07, 332,595.27 and 77,704.65 is: 116,502.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,834.07 : 332,595.27 = 77,704.65 : x
  2. Step 2: Convert to fraction form
    221,834.07/332,595.27 = 77,704.65/x
  3. Step 3: Cross multiply
    221,834.07x = 332,595.27 × 77,704.65
  4. Step 4: Simplify right side
    221,834.07x = 25,844,199,047.01
  5. Step 5: Solve for x
    x = 25,844,199,047.01/221,834.07
  6. Step 6: Final answer
    x = 116,502.39

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1.5x scale

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.