Home / 158,759.38-219,053.73-91,652.50

Finding the Fourth Proportional to 158,759.38, 219,053.73 and 91,652.50

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Solution

The fourth proportional to 158,759.38, 219,053.73 and 91,652.50 is: 126,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,759.38 : 219,053.73 = 91,652.50 : x
  2. Step 2: Convert to fraction form
    158,759.38/219,053.73 = 91,652.50/x
  3. Step 3: Cross multiply
    158,759.38x = 219,053.73 × 91,652.50
  4. Step 4: Simplify right side
    158,759.38x = 20,076,821,988.83
  5. Step 5: Solve for x
    x = 20,076,821,988.83/158,759.38
  6. Step 6: Final answer
    x = 126,460.70

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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.