Home / 305,584.17-421,686.57-169,618.24

Finding the Fourth Proportional to 305,584.17, 421,686.57 and 169,618.24

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Solution

The fourth proportional to 305,584.17, 421,686.57 and 169,618.24 is: 234,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,584.17 : 421,686.57 = 169,618.24 : x
  2. Step 2: Convert to fraction form
    305,584.17/421,686.57 = 169,618.24/x
  3. Step 3: Cross multiply
    305,584.17x = 421,686.57 × 169,618.24
  4. Step 4: Simplify right side
    305,584.17x = 71,525,733,835.04
  5. Step 5: Solve for x
    x = 71,525,733,835.04/305,584.17
  6. Step 6: Final answer
    x = 234,062.30

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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.