Home / 514,156.08-771,225.84-140,179.08

Finding the Fourth Proportional to 514,156.08, 771,225.84 and 140,179.08

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Solution

The fourth proportional to 514,156.08, 771,225.84 and 140,179.08 is: 210,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,156.08 : 771,225.84 = 140,179.08 : x
  2. Step 2: Convert to fraction form
    514,156.08/771,225.84 = 140,179.08/x
  3. Step 3: Cross multiply
    514,156.08x = 771,225.84 × 140,179.08
  4. Step 4: Simplify right side
    514,156.08x = 108,109,728,723.43
  5. Step 5: Solve for x
    x = 108,109,728,723.43/514,156.08
  6. Step 6: Final answer
    x = 210,266.36

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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.