Home / 220,975.66-304,946.43-120,373.66

Finding the Fourth Proportional to 220,975.66, 304,946.43 and 120,373.66

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Solution

The fourth proportional to 220,975.66, 304,946.43 and 120,373.66 is: 166,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,975.66 : 304,946.43 = 120,373.66 : x
  2. Step 2: Convert to fraction form
    220,975.66/304,946.43 = 120,373.66/x
  3. Step 3: Cross multiply
    220,975.66x = 304,946.43 × 120,373.66
  4. Step 4: Simplify right side
    220,975.66x = 36,707,517,883.03
  5. Step 5: Solve for x
    x = 36,707,517,883.03/220,975.66
  6. Step 6: Final answer
    x = 166,115.66

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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.