Home / 160,909.60-222,054.51-89,289.46

Finding the Fourth Proportional to 160,909.60, 222,054.51 and 89,289.46

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Solution

The fourth proportional to 160,909.60, 222,054.51 and 89,289.46 is: 123,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,909.60 : 222,054.51 = 89,289.46 : x
  2. Step 2: Convert to fraction form
    160,909.60/222,054.51 = 89,289.46/x
  3. Step 3: Cross multiply
    160,909.60x = 222,054.51 × 89,289.46
  4. Step 4: Simplify right side
    160,909.60x = 19,827,127,288.46
  5. Step 5: Solve for x
    x = 19,827,127,288.46/160,909.60
  6. Step 6: Final answer
    x = 123,219.05

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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.