Home / 118,091.28-177,098.40-39,184.32

Finding the Fourth Proportional to 118,091.28, 177,098.40 and 39,184.32

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Solution

The fourth proportional to 118,091.28, 177,098.40 and 39,184.32 is: 58,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,091.28 : 177,098.40 = 39,184.32 : x
  2. Step 2: Convert to fraction form
    118,091.28/177,098.40 = 39,184.32/x
  3. Step 3: Cross multiply
    118,091.28x = 177,098.40 × 39,184.32
  4. Step 4: Simplify right side
    118,091.28x = 6,939,480,377.09
  5. Step 5: Solve for x
    x = 6,939,480,377.09/118,091.28
  6. Step 6: Final answer
    x = 58,763.70

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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.