Home / 112,110.53-154,551.78-88,195.68

Finding the Fourth Proportional to 112,110.53, 154,551.78 and 88,195.68

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Solution

The fourth proportional to 112,110.53, 154,551.78 and 88,195.68 is: 121,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,110.53 : 154,551.78 = 88,195.68 : x
  2. Step 2: Convert to fraction form
    112,110.53/154,551.78 = 88,195.68/x
  3. Step 3: Cross multiply
    112,110.53x = 154,551.78 × 88,195.68
  4. Step 4: Simplify right side
    112,110.53x = 13,630,799,332.31
  5. Step 5: Solve for x
    x = 13,630,799,332.31/112,110.53
  6. Step 6: Final answer
    x = 121,583.58

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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.