Home / 201,724.20-278,381.46-111,088.59

Finding the Fourth Proportional to 201,724.20, 278,381.46 and 111,088.59

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Solution

The fourth proportional to 201,724.20, 278,381.46 and 111,088.59 is: 153,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,724.20 : 278,381.46 = 111,088.59 : x
  2. Step 2: Convert to fraction form
    201,724.20/278,381.46 = 111,088.59/x
  3. Step 3: Cross multiply
    201,724.20x = 278,381.46 × 111,088.59
  4. Step 4: Simplify right side
    201,724.20x = 30,925,003,873.54
  5. Step 5: Solve for x
    x = 30,925,003,873.54/201,724.20
  6. Step 6: Final answer
    x = 153,303.39

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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.