Home / 165,218.79-228,013.21-93,599.40

Finding the Fourth Proportional to 165,218.79, 228,013.21 and 93,599.40

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Solution

The fourth proportional to 165,218.79, 228,013.21 and 93,599.40 is: 129,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,218.79 : 228,013.21 = 93,599.40 : x
  2. Step 2: Convert to fraction form
    165,218.79/228,013.21 = 93,599.40/x
  3. Step 3: Cross multiply
    165,218.79x = 228,013.21 × 93,599.40
  4. Step 4: Simplify right side
    165,218.79x = 21,341,898,811.05
  5. Step 5: Solve for x
    x = 21,341,898,811.05/165,218.79
  6. Step 6: Final answer
    x = 129,173.56

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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.