Home / 160,910.10-222,055.20-89,289.96

Finding the Fourth Proportional to 160,910.10, 222,055.20 and 89,289.96

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Solution

The fourth proportional to 160,910.10, 222,055.20 and 89,289.96 is: 123,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,910.10 : 222,055.20 = 89,289.96 : x
  2. Step 2: Convert to fraction form
    160,910.10/222,055.20 = 89,289.96/x
  3. Step 3: Cross multiply
    160,910.10x = 222,055.20 × 89,289.96
  4. Step 4: Simplify right side
    160,910.10x = 19,827,299,925.79
  5. Step 5: Solve for x
    x = 19,827,299,925.79/160,910.10
  6. Step 6: Final answer
    x = 123,219.74

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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.