Home / 158,938.96-219,156.24-115,842.28

Finding the Fourth Proportional to 158,938.96, 219,156.24 and 115,842.28

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Solution

The fourth proportional to 158,938.96, 219,156.24 and 115,842.28 is: 159,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,938.96 : 219,156.24 = 115,842.28 : x
  2. Step 2: Convert to fraction form
    158,938.96/219,156.24 = 115,842.28/x
  3. Step 3: Cross multiply
    158,938.96x = 219,156.24 × 115,842.28
  4. Step 4: Simplify right side
    158,938.96x = 25,387,558,517.83
  5. Step 5: Solve for x
    x = 25,387,558,517.83/158,938.96
  6. Step 6: Final answer
    x = 159,731.50

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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.