Home / 161,276.37-222,567.12-88,684.77

Finding the Fourth Proportional to 161,276.37, 222,567.12 and 88,684.77

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Solution

The fourth proportional to 161,276.37, 222,567.12 and 88,684.77 is: 122,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,276.37 : 222,567.12 = 88,684.77 : x
  2. Step 2: Convert to fraction form
    161,276.37/222,567.12 = 88,684.77/x
  3. Step 3: Cross multiply
    161,276.37x = 222,567.12 × 88,684.77
  4. Step 4: Simplify right side
    161,276.37x = 19,738,313,846.76
  5. Step 5: Solve for x
    x = 19,738,313,846.76/161,276.37
  6. Step 6: Final answer
    x = 122,388.13

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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.