Home / 161,364.30-222,685.60-89,744.35

Finding the Fourth Proportional to 161,364.30, 222,685.60 and 89,744.35

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Solution

The fourth proportional to 161,364.30, 222,685.60 and 89,744.35 is: 123,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,364.30 : 222,685.60 = 89,744.35 : x
  2. Step 2: Convert to fraction form
    161,364.30/222,685.60 = 89,744.35/x
  3. Step 3: Cross multiply
    161,364.30x = 222,685.60 × 89,744.35
  4. Step 4: Simplify right side
    161,364.30x = 19,984,774,534.35
  5. Step 5: Solve for x
    x = 19,984,774,534.35/161,364.30
  6. Step 6: Final answer
    x = 123,848.80

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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.