Home / 165,486.81-228,353.53-92,873.05

Finding the Fourth Proportional to 165,486.81, 228,353.53 and 92,873.05

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Solution

The fourth proportional to 165,486.81, 228,353.53 and 92,873.05 is: 128,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,486.81 : 228,353.53 = 92,873.05 : x
  2. Step 2: Convert to fraction form
    165,486.81/228,353.53 = 92,873.05/x
  3. Step 3: Cross multiply
    165,486.81x = 228,353.53 × 92,873.05
  4. Step 4: Simplify right side
    165,486.81x = 21,207,889,036.76
  5. Step 5: Solve for x
    x = 21,207,889,036.76/165,486.81
  6. Step 6: Final answer
    x = 128,154.56

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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.