Home / 158,816.26-219,166.86-87,200.92

Finding the Fourth Proportional to 158,816.26, 219,166.86 and 87,200.92

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Solution

The fourth proportional to 158,816.26, 219,166.86 and 87,200.92 is: 120,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,816.26 : 219,166.86 = 87,200.92 : x
  2. Step 2: Convert to fraction form
    158,816.26/219,166.86 = 87,200.92/x
  3. Step 3: Cross multiply
    158,816.26x = 219,166.86 × 87,200.92
  4. Step 4: Simplify right side
    158,816.26x = 19,111,550,729.68
  5. Step 5: Solve for x
    x = 19,111,550,729.68/158,816.26
  6. Step 6: Final answer
    x = 120,337.50

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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.