Home / 112,178.30-154,809.52-64,441.22

Finding the Fourth Proportional to 112,178.30, 154,809.52 and 64,441.22

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Solution

The fourth proportional to 112,178.30, 154,809.52 and 64,441.22 is: 88,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,178.30 : 154,809.52 = 64,441.22 : x
  2. Step 2: Convert to fraction form
    112,178.30/154,809.52 = 64,441.22/x
  3. Step 3: Cross multiply
    112,178.30x = 154,809.52 × 64,441.22
  4. Step 4: Simplify right side
    112,178.30x = 9,976,114,336.41
  5. Step 5: Solve for x
    x = 9,976,114,336.41/112,178.30
  6. Step 6: Final answer
    x = 88,930.87

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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.