Home / 201,767.22-278,192.07-126,184.50

Finding the Fourth Proportional to 201,767.22, 278,192.07 and 126,184.50

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Solution

The fourth proportional to 201,767.22, 278,192.07 and 126,184.50 is: 173,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,767.22 : 278,192.07 = 126,184.50 : x
  2. Step 2: Convert to fraction form
    201,767.22/278,192.07 = 126,184.50/x
  3. Step 3: Cross multiply
    201,767.22x = 278,192.07 × 126,184.50
  4. Step 4: Simplify right side
    201,767.22x = 35,103,527,256.92
  5. Step 5: Solve for x
    x = 35,103,527,256.92/201,767.22
  6. Step 6: Final answer
    x = 173,980.33

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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.