Home / 231,828.39-319,874.00-136,300.23

Finding the Fourth Proportional to 231,828.39, 319,874.00 and 136,300.23

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Solution

The fourth proportional to 231,828.39, 319,874.00 and 136,300.23 is: 188,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,828.39 : 319,874.00 = 136,300.23 : x
  2. Step 2: Convert to fraction form
    231,828.39/319,874.00 = 136,300.23/x
  3. Step 3: Cross multiply
    231,828.39x = 319,874.00 × 136,300.23
  4. Step 4: Simplify right side
    231,828.39x = 43,598,899,089.52
  5. Step 5: Solve for x
    x = 43,598,899,089.52/231,828.39
  6. Step 6: Final answer
    x = 188,065.40

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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.