Home / 231,598.04-319,532.47-129,607.30

Finding the Fourth Proportional to 231,598.04, 319,532.47 and 129,607.30

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Solution

The fourth proportional to 231,598.04, 319,532.47 and 129,607.30 is: 178,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,598.04 : 319,532.47 = 129,607.30 : x
  2. Step 2: Convert to fraction form
    231,598.04/319,532.47 = 129,607.30/x
  3. Step 3: Cross multiply
    231,598.04x = 319,532.47 × 129,607.30
  4. Step 4: Simplify right side
    231,598.04x = 41,413,738,453.33
  5. Step 5: Solve for x
    x = 41,413,738,453.33/231,598.04
  6. Step 6: Final answer
    x = 178,817.31

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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.