Home / 118,410.86-163,405.08-64,694.73

Finding the Fourth Proportional to 118,410.86, 163,405.08 and 64,694.73

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Solution

The fourth proportional to 118,410.86, 163,405.08 and 64,694.73 is: 89,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,410.86 : 163,405.08 = 64,694.73 : x
  2. Step 2: Convert to fraction form
    118,410.86/163,405.08 = 64,694.73/x
  3. Step 3: Cross multiply
    118,410.86x = 163,405.08 × 64,694.73
  4. Step 4: Simplify right side
    118,410.86x = 10,571,447,161.06
  5. Step 5: Solve for x
    x = 10,571,447,161.06/118,410.86
  6. Step 6: Final answer
    x = 89,277.68

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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.