Home / 118,209.88-163,127.10-64,496.44

Finding the Fourth Proportional to 118,209.88, 163,127.10 and 64,496.44

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Solution

The fourth proportional to 118,209.88, 163,127.10 and 64,496.44 is: 89,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,209.88 : 163,127.10 = 64,496.44 : x
  2. Step 2: Convert to fraction form
    118,209.88/163,127.10 = 64,496.44/x
  3. Step 3: Cross multiply
    118,209.88x = 163,127.10 × 64,496.44
  4. Step 4: Simplify right side
    118,209.88x = 10,521,117,217.52
  5. Step 5: Solve for x
    x = 10,521,117,217.52/118,209.88
  6. Step 6: Final answer
    x = 89,003.70

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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.