Home / 118,407.50-177,698.92-56,078.18

Finding the Fourth Proportional to 118,407.50, 177,698.92 and 56,078.18

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Solution

The fourth proportional to 118,407.50, 177,698.92 and 56,078.18 is: 84,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,407.50 : 177,698.92 = 56,078.18 : x
  2. Step 2: Convert to fraction form
    118,407.50/177,698.92 = 56,078.18/x
  3. Step 3: Cross multiply
    118,407.50x = 177,698.92 × 56,078.18
  4. Step 4: Simplify right side
    118,407.50x = 9,965,032,021.57
  5. Step 5: Solve for x
    x = 9,965,032,021.57/118,407.50
  6. Step 6: Final answer
    x = 84,158.79

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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.