Home / 171,743.59-236,957.70-111,316.78

Finding the Fourth Proportional to 171,743.59, 236,957.70 and 111,316.78

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Solution

The fourth proportional to 171,743.59, 236,957.70 and 111,316.78 is: 153,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,743.59 : 236,957.70 = 111,316.78 : x
  2. Step 2: Convert to fraction form
    171,743.59/236,957.70 = 111,316.78/x
  3. Step 3: Cross multiply
    171,743.59x = 236,957.70 × 111,316.78
  4. Step 4: Simplify right side
    171,743.59x = 26,377,368,160.21
  5. Step 5: Solve for x
    x = 26,377,368,160.21/171,743.59
  6. Step 6: Final answer
    x = 153,585.75

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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.