Home / 161,460.35-222,811.48-89,838.84

Finding the Fourth Proportional to 161,460.35, 222,811.48 and 89,838.84

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Solution

The fourth proportional to 161,460.35, 222,811.48 and 89,838.84 is: 123,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,460.35 : 222,811.48 = 89,838.84 : x
  2. Step 2: Convert to fraction form
    161,460.35/222,811.48 = 89,838.84/x
  3. Step 3: Cross multiply
    161,460.35x = 222,811.48 × 89,838.84
  4. Step 4: Simplify right side
    161,460.35x = 20,017,124,901.88
  5. Step 5: Solve for x
    x = 20,017,124,901.88/161,460.35
  6. Step 6: Final answer
    x = 123,975.48

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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.