Home / 118,083.28-177,086.40-39,176.32

Finding the Fourth Proportional to 118,083.28, 177,086.40 and 39,176.32

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Solution

The fourth proportional to 118,083.28, 177,086.40 and 39,176.32 is: 58,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,083.28 : 177,086.40 = 39,176.32 : x
  2. Step 2: Convert to fraction form
    118,083.28/177,086.40 = 39,176.32/x
  3. Step 3: Cross multiply
    118,083.28x = 177,086.40 × 39,176.32
  4. Step 4: Simplify right side
    118,083.28x = 6,937,593,474.05
  5. Step 5: Solve for x
    x = 6,937,593,474.05/118,083.28
  6. Step 6: Final answer
    x = 58,751.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.