Home / 161,340.39-222,655.16-88,746.37

Finding the Fourth Proportional to 161,340.39, 222,655.16 and 88,746.37

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Solution

The fourth proportional to 161,340.39, 222,655.16 and 88,746.37 is: 122,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,340.39 : 222,655.16 = 88,746.37 : x
  2. Step 2: Convert to fraction form
    161,340.39/222,655.16 = 88,746.37/x
  3. Step 3: Cross multiply
    161,340.39x = 222,655.16 × 88,746.37
  4. Step 4: Simplify right side
    161,340.39x = 19,759,836,877.00
  5. Step 5: Solve for x
    x = 19,759,836,877.00/161,340.39
  6. Step 6: Final answer
    x = 122,472.97

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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.