Home / 193,165.72-266,569.05-108,282.58

Finding the Fourth Proportional to 193,165.72, 266,569.05 and 108,282.58

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Solution

The fourth proportional to 193,165.72, 266,569.05 and 108,282.58 is: 149,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,165.72 : 266,569.05 = 108,282.58 : x
  2. Step 2: Convert to fraction form
    193,165.72/266,569.05 = 108,282.58/x
  3. Step 3: Cross multiply
    193,165.72x = 266,569.05 × 108,282.58
  4. Step 4: Simplify right side
    193,165.72x = 28,864,784,482.15
  5. Step 5: Solve for x
    x = 28,864,784,482.15/193,165.72
  6. Step 6: Final answer
    x = 149,430.16

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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.