Home / 193,287.87-266,746.24-120,733.72

Finding the Fourth Proportional to 193,287.87, 266,746.24 and 120,733.72

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Solution

The fourth proportional to 193,287.87, 266,746.24 and 120,733.72 is: 166,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,287.87 : 266,746.24 = 120,733.72 : x
  2. Step 2: Convert to fraction form
    193,287.87/266,746.24 = 120,733.72/x
  3. Step 3: Cross multiply
    193,287.87x = 266,746.24 × 120,733.72
  4. Step 4: Simplify right side
    193,287.87x = 32,205,265,486.18
  5. Step 5: Solve for x
    x = 32,205,265,486.18/193,287.87
  6. Step 6: Final answer
    x = 166,618.14

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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.