Home / 276,053.18-413,784.52-126,068.72

Finding the Fourth Proportional to 276,053.18, 413,784.52 and 126,068.72

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Solution

The fourth proportional to 276,053.18, 413,784.52 and 126,068.72 is: 188,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,053.18 : 413,784.52 = 126,068.72 : x
  2. Step 2: Convert to fraction form
    276,053.18/413,784.52 = 126,068.72/x
  3. Step 3: Cross multiply
    276,053.18x = 413,784.52 × 126,068.72
  4. Step 4: Simplify right side
    276,053.18x = 52,165,285,511.50
  5. Step 5: Solve for x
    x = 52,165,285,511.50/276,053.18
  6. Step 6: Final answer
    x = 188,968.25

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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.