Home / 181,915.40-251,047.68-101,344.25

Finding the Fourth Proportional to 181,915.40, 251,047.68 and 101,344.25

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Solution

The fourth proportional to 181,915.40, 251,047.68 and 101,344.25 is: 139,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,915.40 : 251,047.68 = 101,344.25 : x
  2. Step 2: Convert to fraction form
    181,915.40/251,047.68 = 101,344.25/x
  3. Step 3: Cross multiply
    181,915.40x = 251,047.68 × 101,344.25
  4. Step 4: Simplify right side
    181,915.40x = 25,442,238,843.84
  5. Step 5: Solve for x
    x = 25,442,238,843.84/181,915.40
  6. Step 6: Final answer
    x = 139,857.53

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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.