Home / 118,623.40-177,675.90-92,120.20

Finding the Fourth Proportional to 118,623.40, 177,675.90 and 92,120.20

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Solution

The fourth proportional to 118,623.40, 177,675.90 and 92,120.20 is: 137,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,623.40 : 177,675.90 = 92,120.20 : x
  2. Step 2: Convert to fraction form
    118,623.40/177,675.90 = 92,120.20/x
  3. Step 3: Cross multiply
    118,623.40x = 177,675.90 × 92,120.20
  4. Step 4: Simplify right side
    118,623.40x = 16,367,539,443.18
  5. Step 5: Solve for x
    x = 16,367,539,443.18/118,623.40
  6. Step 6: Final answer
    x = 137,979.01

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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.