Home / 218,708.23-328,062.34-52,496.23

Finding the Fourth Proportional to 218,708.23, 328,062.34 and 52,496.23

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Solution

The fourth proportional to 218,708.23, 328,062.34 and 52,496.23 is: 78,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,708.23 : 328,062.34 = 52,496.23 : x
  2. Step 2: Convert to fraction form
    218,708.23/328,062.34 = 52,496.23/x
  3. Step 3: Cross multiply
    218,708.23x = 328,062.34 × 52,496.23
  4. Step 4: Simplify right side
    218,708.23x = 17,222,035,140.53
  5. Step 5: Solve for x
    x = 17,222,035,140.53/218,708.23
  6. Step 6: Final answer
    x = 78,744.34

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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.