Home / 267,632.03-401,448.71-90,263.59

Finding the Fourth Proportional to 267,632.03, 401,448.71 and 90,263.59

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Solution

The fourth proportional to 267,632.03, 401,448.71 and 90,263.59 is: 135,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,632.03 : 401,448.71 = 90,263.59 : x
  2. Step 2: Convert to fraction form
    267,632.03/401,448.71 = 90,263.59/x
  3. Step 3: Cross multiply
    267,632.03x = 401,448.71 × 90,263.59
  4. Step 4: Simplify right side
    267,632.03x = 36,236,200,987.51
  5. Step 5: Solve for x
    x = 36,236,200,987.51/267,632.03
  6. Step 6: Final answer
    x = 135,395.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.