Home / 118,138.16-177,010.05-83,014.94

Finding the Fourth Proportional to 118,138.16, 177,010.05 and 83,014.94

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Solution

The fourth proportional to 118,138.16, 177,010.05 and 83,014.94 is: 124,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,138.16 : 177,010.05 = 83,014.94 : x
  2. Step 2: Convert to fraction form
    118,138.16/177,010.05 = 83,014.94/x
  3. Step 3: Cross multiply
    118,138.16x = 177,010.05 × 83,014.94
  4. Step 4: Simplify right side
    118,138.16x = 14,694,478,680.15
  5. Step 5: Solve for x
    x = 14,694,478,680.15/118,138.16
  6. Step 6: Final answer
    x = 124,383.85

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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.