Home / 161,276.77-222,575.41-89,663.46

Finding the Fourth Proportional to 161,276.77, 222,575.41 and 89,663.46

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Solution

The fourth proportional to 161,276.77, 222,575.41 and 89,663.46 is: 123,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,276.77 : 222,575.41 = 89,663.46 : x
  2. Step 2: Convert to fraction form
    161,276.77/222,575.41 = 89,663.46/x
  3. Step 3: Cross multiply
    161,276.77x = 222,575.41 × 89,663.46
  4. Step 4: Simplify right side
    161,276.77x = 19,956,880,648.94
  5. Step 5: Solve for x
    x = 19,956,880,648.94/161,276.77
  6. Step 6: Final answer
    x = 123,743.06

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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.