Home / 525,815.82-788,856.78-146,736.51

Finding the Fourth Proportional to 525,815.82, 788,856.78 and 146,736.51

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Solution

The fourth proportional to 525,815.82, 788,856.78 and 146,736.51 is: 220,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,815.82 : 788,856.78 = 146,736.51 : x
  2. Step 2: Convert to fraction form
    525,815.82/788,856.78 = 146,736.51/x
  3. Step 3: Cross multiply
    525,815.82x = 788,856.78 × 146,736.51
  4. Step 4: Simplify right side
    525,815.82x = 115,754,090,787.04
  5. Step 5: Solve for x
    x = 115,754,090,787.04/525,815.82
  6. Step 6: Final answer
    x = 220,141.89

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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.