Home / 118,180.80-163,083.51-64,465.38

Finding the Fourth Proportional to 118,180.80, 163,083.51 and 64,465.38

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Solution

The fourth proportional to 118,180.80, 163,083.51 and 64,465.38 is: 88,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,180.80 : 163,083.51 = 64,465.38 : x
  2. Step 2: Convert to fraction form
    118,180.80/163,083.51 = 64,465.38/x
  3. Step 3: Cross multiply
    118,180.80x = 163,083.51 × 64,465.38
  4. Step 4: Simplify right side
    118,180.80x = 10,513,240,443.88
  5. Step 5: Solve for x
    x = 10,513,240,443.88/118,180.80
  6. Step 6: Final answer
    x = 88,958.95

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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.