Home / 231,530.22-319,417.65-150,929.46

Finding the Fourth Proportional to 231,530.22, 319,417.65 and 150,929.46

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Solution

The fourth proportional to 231,530.22, 319,417.65 and 150,929.46 is: 208,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,530.22 : 319,417.65 = 150,929.46 : x
  2. Step 2: Convert to fraction form
    231,530.22/319,417.65 = 150,929.46/x
  3. Step 3: Cross multiply
    231,530.22x = 319,417.65 × 150,929.46
  4. Step 4: Simplify right side
    231,530.22x = 48,209,533,428.97
  5. Step 5: Solve for x
    x = 48,209,533,428.97/231,530.22
  6. Step 6: Final answer
    x = 208,221.34

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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.