Home / 174,538.30-261,807.45-161,707.90

Finding the Fourth Proportional to 174,538.30, 261,807.45 and 161,707.90

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Solution

The fourth proportional to 174,538.30, 261,807.45 and 161,707.90 is: 242,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,538.30 : 261,807.45 = 161,707.90 : x
  2. Step 2: Convert to fraction form
    174,538.30/261,807.45 = 161,707.90/x
  3. Step 3: Cross multiply
    174,538.30x = 261,807.45 × 161,707.90
  4. Step 4: Simplify right side
    174,538.30x = 42,336,332,943.86
  5. Step 5: Solve for x
    x = 42,336,332,943.86/174,538.30
  6. Step 6: Final answer
    x = 242,561.85

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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.