Home / 108,285.06-149,336.08-70,004.26

Finding the Fourth Proportional to 108,285.06, 149,336.08 and 70,004.26

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Solution

The fourth proportional to 108,285.06, 149,336.08 and 70,004.26 is: 96,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,285.06 : 149,336.08 = 70,004.26 : x
  2. Step 2: Convert to fraction form
    108,285.06/149,336.08 = 70,004.26/x
  3. Step 3: Cross multiply
    108,285.06x = 149,336.08 × 70,004.26
  4. Step 4: Simplify right side
    108,285.06x = 10,454,161,771.70
  5. Step 5: Solve for x
    x = 10,454,161,771.70/108,285.06
  6. Step 6: Final answer
    x = 96,542.97

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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.