Home / 111,886.20-168,441.75-102,088.44

Finding the Fourth Proportional to 111,886.20, 168,441.75 and 102,088.44

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Solution

The fourth proportional to 111,886.20, 168,441.75 and 102,088.44 is: 153,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,886.20 : 168,441.75 = 102,088.44 : x
  2. Step 2: Convert to fraction form
    111,886.20/168,441.75 = 102,088.44/x
  3. Step 3: Cross multiply
    111,886.20x = 168,441.75 × 102,088.44
  4. Step 4: Simplify right side
    111,886.20x = 17,195,955,488.37
  5. Step 5: Solve for x
    x = 17,195,955,488.37/111,886.20
  6. Step 6: Final answer
    x = 153,691.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.