Home / 220,085.10-303,701.40-124,586.10

Finding the Fourth Proportional to 220,085.10, 303,701.40 and 124,586.10

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Solution

The fourth proportional to 220,085.10, 303,701.40 and 124,586.10 is: 171,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,085.10 : 303,701.40 = 124,586.10 : x
  2. Step 2: Convert to fraction form
    220,085.10/303,701.40 = 124,586.10/x
  3. Step 3: Cross multiply
    220,085.10x = 303,701.40 × 124,586.10
  4. Step 4: Simplify right side
    220,085.10x = 37,836,972,990.54
  5. Step 5: Solve for x
    x = 37,836,972,990.54/220,085.10
  6. Step 6: Final answer
    x = 171,919.74

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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.