Home / 220,296.42-330,436.13-70,532.51

Finding the Fourth Proportional to 220,296.42, 330,436.13 and 70,532.51

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Solution

The fourth proportional to 220,296.42, 330,436.13 and 70,532.51 is: 105,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,296.42 : 330,436.13 = 70,532.51 : x
  2. Step 2: Convert to fraction form
    220,296.42/330,436.13 = 70,532.51/x
  3. Step 3: Cross multiply
    220,296.42x = 330,436.13 × 70,532.51
  4. Step 4: Simplify right side
    220,296.42x = 23,306,487,638.74
  5. Step 5: Solve for x
    x = 23,306,487,638.74/220,296.42
  6. Step 6: Final answer
    x = 105,796.03

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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.