Home / 118,198.17-163,110.60-64,483.56

Finding the Fourth Proportional to 118,198.17, 163,110.60 and 64,483.56

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Solution

The fourth proportional to 118,198.17, 163,110.60 and 64,483.56 is: 88,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,198.17 : 163,110.60 = 64,483.56 : x
  2. Step 2: Convert to fraction form
    118,198.17/163,110.60 = 64,483.56/x
  3. Step 3: Cross multiply
    118,198.17x = 163,110.60 × 64,483.56
  4. Step 4: Simplify right side
    118,198.17x = 10,517,952,161.74
  5. Step 5: Solve for x
    x = 10,517,952,161.74/118,198.17
  6. Step 6: Final answer
    x = 88,985.74

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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.