Home / 519,146.40-778,773.94-140,070.27

Finding the Fourth Proportional to 519,146.40, 778,773.94 and 140,070.27

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Solution

The fourth proportional to 519,146.40, 778,773.94 and 140,070.27 is: 210,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,146.40 : 778,773.94 = 140,070.27 : x
  2. Step 2: Convert to fraction form
    519,146.40/778,773.94 = 140,070.27/x
  3. Step 3: Cross multiply
    519,146.40x = 778,773.94 × 140,070.27
  4. Step 4: Simplify right side
    519,146.40x = 109,083,078,614.99
  5. Step 5: Solve for x
    x = 109,083,078,614.99/519,146.40
  6. Step 6: Final answer
    x = 210,120.07

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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.