Home / 165,327.60-228,145.74-89,876.10

Finding the Fourth Proportional to 165,327.60, 228,145.74 and 89,876.10

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Solution

The fourth proportional to 165,327.60, 228,145.74 and 89,876.10 is: 124,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,327.60 : 228,145.74 = 89,876.10 : x
  2. Step 2: Convert to fraction form
    165,327.60/228,145.74 = 89,876.10/x
  3. Step 3: Cross multiply
    165,327.60x = 228,145.74 × 89,876.10
  4. Step 4: Simplify right side
    165,327.60x = 20,504,849,342.81
  5. Step 5: Solve for x
    x = 20,504,849,342.81/165,327.60
  6. Step 6: Final answer
    x = 124,025.57

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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.