Home / 112,027.80-154,809.60-88,342.60

Finding the Fourth Proportional to 112,027.80, 154,809.60 and 88,342.60

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Solution

The fourth proportional to 112,027.80, 154,809.60 and 88,342.60 is: 122,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,027.80 : 154,809.60 = 88,342.60 : x
  2. Step 2: Convert to fraction form
    112,027.80/154,809.60 = 88,342.60/x
  3. Step 3: Cross multiply
    112,027.80x = 154,809.60 × 88,342.60
  4. Step 4: Simplify right side
    112,027.80x = 13,676,282,568.96
  5. Step 5: Solve for x
    x = 13,676,282,568.96/112,027.80
  6. Step 6: Final answer
    x = 122,079.36

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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.