Home / 231,526.53-319,405.23-135,990.16

Finding the Fourth Proportional to 231,526.53, 319,405.23 and 135,990.16

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Solution

The fourth proportional to 231,526.53, 319,405.23 and 135,990.16 is: 187,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,526.53 : 319,405.23 = 135,990.16 : x
  2. Step 2: Convert to fraction form
    231,526.53/319,405.23 = 135,990.16/x
  3. Step 3: Cross multiply
    231,526.53x = 319,405.23 × 135,990.16
  4. Step 4: Simplify right side
    231,526.53x = 43,435,968,332.54
  5. Step 5: Solve for x
    x = 43,435,968,332.54/231,526.53
  6. Step 6: Final answer
    x = 187,606.87

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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.