Home / 231,598.54-319,533.16-129,607.80

Finding the Fourth Proportional to 231,598.54, 319,533.16 and 129,607.80

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Solution

The fourth proportional to 231,598.54, 319,533.16 and 129,607.80 is: 178,818.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,598.54 : 319,533.16 = 129,607.80 : x
  2. Step 2: Convert to fraction form
    231,598.54/319,533.16 = 129,607.80/x
  3. Step 3: Cross multiply
    231,598.54x = 319,533.16 × 129,607.80
  4. Step 4: Simplify right side
    231,598.54x = 41,413,987,648.94
  5. Step 5: Solve for x
    x = 41,413,987,648.94/231,598.54
  6. Step 6: Final answer
    x = 178,818.00

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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.