Home / 112,786.22-155,574.60-72,552.44

Finding the Fourth Proportional to 112,786.22, 155,574.60 and 72,552.44

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Solution

The fourth proportional to 112,786.22, 155,574.60 and 72,552.44 is: 100,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,786.22 : 155,574.60 = 72,552.44 : x
  2. Step 2: Convert to fraction form
    112,786.22/155,574.60 = 72,552.44/x
  3. Step 3: Cross multiply
    112,786.22x = 155,574.60 × 72,552.44
  4. Step 4: Simplify right side
    112,786.22x = 11,287,316,832.02
  5. Step 5: Solve for x
    x = 11,287,316,832.02/112,786.22
  6. Step 6: Final answer
    x = 100,077.09

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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.