Home / 108,938.16-150,292.58-80,325.54

Finding the Fourth Proportional to 108,938.16, 150,292.58 and 80,325.54

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Solution

The fourth proportional to 108,938.16, 150,292.58 and 80,325.54 is: 110,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,938.16 : 150,292.58 = 80,325.54 : x
  2. Step 2: Convert to fraction form
    108,938.16/150,292.58 = 80,325.54/x
  3. Step 3: Cross multiply
    108,938.16x = 150,292.58 × 80,325.54
  4. Step 4: Simplify right side
    108,938.16x = 12,072,332,244.87
  5. Step 5: Solve for x
    x = 12,072,332,244.87/108,938.16
  6. Step 6: Final answer
    x = 110,818.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.