Home / 514,174.20-771,080.64-154,237.72

Finding the Fourth Proportional to 514,174.20, 771,080.64 and 154,237.72

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Solution

The fourth proportional to 514,174.20, 771,080.64 and 154,237.72 is: 231,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,174.20 : 771,080.64 = 154,237.72 : x
  2. Step 2: Convert to fraction form
    514,174.20/771,080.64 = 154,237.72/x
  3. Step 3: Cross multiply
    514,174.20x = 771,080.64 × 154,237.72
  4. Step 4: Simplify right side
    514,174.20x = 118,929,719,849.74
  5. Step 5: Solve for x
    x = 118,929,719,849.74/514,174.20
  6. Step 6: Final answer
    x = 231,302.39

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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.