Home / 118,186.18-177,280.82-39,300.42

Finding the Fourth Proportional to 118,186.18, 177,280.82 and 39,300.42

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Solution

The fourth proportional to 118,186.18, 177,280.82 and 39,300.42 is: 58,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,186.18 : 177,280.82 = 39,300.42 : x
  2. Step 2: Convert to fraction form
    118,186.18/177,280.82 = 39,300.42/x
  3. Step 3: Cross multiply
    118,186.18x = 177,280.82 × 39,300.42
  4. Step 4: Simplify right side
    118,186.18x = 6,967,210,683.94
  5. Step 5: Solve for x
    x = 6,967,210,683.94/118,186.18
  6. Step 6: Final answer
    x = 58,951.15

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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.