Home / 208,724.43-312,830.05-96,248.51

Finding the Fourth Proportional to 208,724.43, 312,830.05 and 96,248.51

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Solution

The fourth proportional to 208,724.43, 312,830.05 and 96,248.51 is: 144,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,724.43 : 312,830.05 = 96,248.51 : x
  2. Step 2: Convert to fraction form
    208,724.43/312,830.05 = 96,248.51/x
  3. Step 3: Cross multiply
    208,724.43x = 312,830.05 × 96,248.51
  4. Step 4: Simplify right side
    208,724.43x = 30,109,426,195.73
  5. Step 5: Solve for x
    x = 30,109,426,195.73/208,724.43
  6. Step 6: Final answer
    x = 144,254.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.