Home / 231,537.05-319,510.26-129,575.46

Finding the Fourth Proportional to 231,537.05, 319,510.26 and 129,575.46

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Solution

The fourth proportional to 231,537.05, 319,510.26 and 129,575.46 is: 178,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,537.05 : 319,510.26 = 129,575.46 : x
  2. Step 2: Convert to fraction form
    231,537.05/319,510.26 = 129,575.46/x
  3. Step 3: Cross multiply
    231,537.05x = 319,510.26 × 129,575.46
  4. Step 4: Simplify right side
    231,537.05x = 41,400,688,914.22
  5. Step 5: Solve for x
    x = 41,400,688,914.22/231,537.05
  6. Step 6: Final answer
    x = 178,808.06

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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.