Home / 193,585.16-267,039.24-121,840.62

Finding the Fourth Proportional to 193,585.16, 267,039.24 and 121,840.62

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Solution

The fourth proportional to 193,585.16, 267,039.24 and 121,840.62 is: 168,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,585.16 : 267,039.24 = 121,840.62 : x
  2. Step 2: Convert to fraction form
    193,585.16/267,039.24 = 121,840.62/x
  3. Step 3: Cross multiply
    193,585.16x = 267,039.24 × 121,840.62
  4. Step 4: Simplify right side
    193,585.16x = 32,536,226,565.93
  5. Step 5: Solve for x
    x = 32,536,226,565.93/193,585.16
  6. Step 6: Final answer
    x = 168,071.91

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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.