Home / 202,028.94-278,812.46-111,384.74

Finding the Fourth Proportional to 202,028.94, 278,812.46 and 111,384.74

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Solution

The fourth proportional to 202,028.94, 278,812.46 and 111,384.74 is: 153,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,028.94 : 278,812.46 = 111,384.74 : x
  2. Step 2: Convert to fraction form
    202,028.94/278,812.46 = 111,384.74/x
  3. Step 3: Cross multiply
    202,028.94x = 278,812.46 × 111,384.74
  4. Step 4: Simplify right side
    202,028.94x = 31,055,454,341.35
  5. Step 5: Solve for x
    x = 31,055,454,341.35/202,028.94
  6. Step 6: Final answer
    x = 153,717.85

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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.