Home / 174,003.40-261,005.10-120,859.30

Finding the Fourth Proportional to 174,003.40, 261,005.10 and 120,859.30

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Solution

The fourth proportional to 174,003.40, 261,005.10 and 120,859.30 is: 181,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,003.40 : 261,005.10 = 120,859.30 : x
  2. Step 2: Convert to fraction form
    174,003.40/261,005.10 = 120,859.30/x
  3. Step 3: Cross multiply
    174,003.40x = 261,005.10 × 120,859.30
  4. Step 4: Simplify right side
    174,003.40x = 31,544,893,682.43
  5. Step 5: Solve for x
    x = 31,544,893,682.43/174,003.40
  6. Step 6: Final answer
    x = 181,288.95

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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.