Home / 514,151.07-771,218.34-140,174.07

Finding the Fourth Proportional to 514,151.07, 771,218.34 and 140,174.07

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Solution

The fourth proportional to 514,151.07, 771,218.34 and 140,174.07 is: 210,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,151.07 : 771,218.34 = 140,174.07 : x
  2. Step 2: Convert to fraction form
    514,151.07/771,218.34 = 140,174.07/x
  3. Step 3: Cross multiply
    514,151.07x = 771,218.34 × 140,174.07
  4. Step 4: Simplify right side
    514,151.07x = 108,104,813,576.44
  5. Step 5: Solve for x
    x = 108,104,813,576.44/514,151.07
  6. Step 6: Final answer
    x = 210,258.85

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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.