Home / 161,106.39-222,303.38-89,487.03

Finding the Fourth Proportional to 161,106.39, 222,303.38 and 89,487.03

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Solution

The fourth proportional to 161,106.39, 222,303.38 and 89,487.03 is: 123,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,106.39 : 222,303.38 = 89,487.03 : x
  2. Step 2: Convert to fraction form
    161,106.39/222,303.38 = 89,487.03/x
  3. Step 3: Cross multiply
    161,106.39x = 222,303.38 × 89,487.03
  4. Step 4: Simplify right side
    161,106.39x = 19,893,268,787.73
  5. Step 5: Solve for x
    x = 19,893,268,787.73/161,106.39
  6. Step 6: Final answer
    x = 123,479.08

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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.