Home / 112,255.44-154,939.16-64,536.60

Finding the Fourth Proportional to 112,255.44, 154,939.16 and 64,536.60

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Solution

The fourth proportional to 112,255.44, 154,939.16 and 64,536.60 is: 89,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,255.44 : 154,939.16 = 64,536.60 : x
  2. Step 2: Convert to fraction form
    112,255.44/154,939.16 = 64,536.60/x
  3. Step 3: Cross multiply
    112,255.44x = 154,939.16 × 64,536.60
  4. Step 4: Simplify right side
    112,255.44x = 9,999,246,593.26
  5. Step 5: Solve for x
    x = 9,999,246,593.26/112,255.44
  6. Step 6: Final answer
    x = 89,075.83

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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.