Home / 354,828.02-532,249.54-127,138.46

Finding the Fourth Proportional to 354,828.02, 532,249.54 and 127,138.46

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Solution

The fourth proportional to 354,828.02, 532,249.54 and 127,138.46 is: 190,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,828.02 : 532,249.54 = 127,138.46 : x
  2. Step 2: Convert to fraction form
    354,828.02/532,249.54 = 127,138.46/x
  3. Step 3: Cross multiply
    354,828.02x = 532,249.54 × 127,138.46
  4. Step 4: Simplify right side
    354,828.02x = 67,669,387,864.09
  5. Step 5: Solve for x
    x = 67,669,387,864.09/354,828.02
  6. Step 6: Final answer
    x = 190,710.39

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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.