Home / 173,755.10-261,189.45-161,428.70

Finding the Fourth Proportional to 173,755.10, 261,189.45 and 161,428.70

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Solution

The fourth proportional to 173,755.10, 261,189.45 and 161,428.70 is: 242,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,755.10 : 261,189.45 = 161,428.70 : x
  2. Step 2: Convert to fraction form
    173,755.10/261,189.45 = 161,428.70/x
  3. Step 3: Cross multiply
    173,755.10x = 261,189.45 × 161,428.70
  4. Step 4: Simplify right side
    173,755.10x = 42,163,473,367.22
  5. Step 5: Solve for x
    x = 42,163,473,367.22/173,755.10
  6. Step 6: Final answer
    x = 242,660.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.