Home / 278,069.23-383,600.23-164,811.79

Finding the Fourth Proportional to 278,069.23, 383,600.23 and 164,811.79

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Solution

The fourth proportional to 278,069.23, 383,600.23 and 164,811.79 is: 227,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,069.23 : 383,600.23 = 164,811.79 : x
  2. Step 2: Convert to fraction form
    278,069.23/383,600.23 = 164,811.79/x
  3. Step 3: Cross multiply
    278,069.23x = 383,600.23 × 164,811.79
  4. Step 4: Simplify right side
    278,069.23x = 63,221,840,550.71
  5. Step 5: Solve for x
    x = 63,221,840,550.71/278,069.23
  6. Step 6: Final answer
    x = 227,360.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.