Home / 519,116.39-778,670.00-164,130.65

Finding the Fourth Proportional to 519,116.39, 778,670.00 and 164,130.65

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Solution

The fourth proportional to 519,116.39, 778,670.00 and 164,130.65 is: 246,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,116.39 : 778,670.00 = 164,130.65 : x
  2. Step 2: Convert to fraction form
    519,116.39/778,670.00 = 164,130.65/x
  3. Step 3: Cross multiply
    519,116.39x = 778,670.00 × 164,130.65
  4. Step 4: Simplify right side
    519,116.39x = 127,803,612,414.85
  5. Step 5: Solve for x
    x = 127,803,612,414.85/519,116.39
  6. Step 6: Final answer
    x = 246,194.52

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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.