Home / 231,957.52-319,389.60-203,112.16

Finding the Fourth Proportional to 231,957.52, 319,389.60 and 203,112.16

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Solution

The fourth proportional to 231,957.52, 319,389.60 and 203,112.16 is: 279,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,957.52 : 319,389.60 = 203,112.16 : x
  2. Step 2: Convert to fraction form
    231,957.52/319,389.60 = 203,112.16/x
  3. Step 3: Cross multiply
    231,957.52x = 319,389.60 × 203,112.16
  4. Step 4: Simplify right side
    231,957.52x = 64,871,911,537.54
  5. Step 5: Solve for x
    x = 64,871,911,537.54/231,957.52
  6. Step 6: Final answer
    x = 279,671.52

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1.5x scale

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.