Home / 161,530.80-222,910.86-88,931.40

Finding the Fourth Proportional to 161,530.80, 222,910.86 and 88,931.40

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Solution

The fourth proportional to 161,530.80, 222,910.86 and 88,931.40 is: 122,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,530.80 : 222,910.86 = 88,931.40 : x
  2. Step 2: Convert to fraction form
    161,530.80/222,910.86 = 88,931.40/x
  3. Step 3: Cross multiply
    161,530.80x = 222,910.86 × 88,931.40
  4. Step 4: Simplify right side
    161,530.80x = 19,823,774,855.00
  5. Step 5: Solve for x
    x = 19,823,774,855.00/161,530.80
  6. Step 6: Final answer
    x = 122,724.43

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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.