Home / 118,190.78-176,364.33-105,452.96

Finding the Fourth Proportional to 118,190.78, 176,364.33 and 105,452.96

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Solution

The fourth proportional to 118,190.78, 176,364.33 and 105,452.96 is: 157,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,190.78 : 176,364.33 = 105,452.96 : x
  2. Step 2: Convert to fraction form
    118,190.78/176,364.33 = 105,452.96/x
  3. Step 3: Cross multiply
    118,190.78x = 176,364.33 × 105,452.96
  4. Step 4: Simplify right side
    118,190.78x = 18,598,141,077.83
  5. Step 5: Solve for x
    x = 18,598,141,077.83/118,190.78
  6. Step 6: Final answer
    x = 157,356.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.