Home / 202,036.44-278,812.23-111,395.70

Finding the Fourth Proportional to 202,036.44, 278,812.23 and 111,395.70

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Solution

The fourth proportional to 202,036.44, 278,812.23 and 111,395.70 is: 153,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,036.44 : 278,812.23 = 111,395.70 : x
  2. Step 2: Convert to fraction form
    202,036.44/278,812.23 = 111,395.70/x
  3. Step 3: Cross multiply
    202,036.44x = 278,812.23 × 111,395.70
  4. Step 4: Simplify right side
    202,036.44x = 31,058,483,529.41
  5. Step 5: Solve for x
    x = 31,058,483,529.41/202,036.44
  6. Step 6: Final answer
    x = 153,727.14

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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.