Home / 231,826.65-319,877.47-136,298.49

Finding the Fourth Proportional to 231,826.65, 319,877.47 and 136,298.49

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Solution

The fourth proportional to 231,826.65, 319,877.47 and 136,298.49 is: 188,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,826.65 : 319,877.47 = 136,298.49 : x
  2. Step 2: Convert to fraction form
    231,826.65/319,877.47 = 136,298.49/x
  3. Step 3: Cross multiply
    231,826.65x = 319,877.47 × 136,298.49
  4. Step 4: Simplify right side
    231,826.65x = 43,598,816,146.02
  5. Step 5: Solve for x
    x = 43,598,816,146.02/231,826.65
  6. Step 6: Final answer
    x = 188,066.45

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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.