Home / 201,707.36-278,353.86-111,061.43

Finding the Fourth Proportional to 201,707.36, 278,353.86 and 111,061.43

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Solution

The fourth proportional to 201,707.36, 278,353.86 and 111,061.43 is: 153,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,707.36 : 278,353.86 = 111,061.43 : x
  2. Step 2: Convert to fraction form
    201,707.36/278,353.86 = 111,061.43/x
  3. Step 3: Cross multiply
    201,707.36x = 278,353.86 × 111,061.43
  4. Step 4: Simplify right side
    201,707.36x = 30,914,377,737.62
  5. Step 5: Solve for x
    x = 30,914,377,737.62/201,707.36
  6. Step 6: Final answer
    x = 153,263.51

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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.