Home / 343,218.40-514,827.60-185,754.40

Finding the Fourth Proportional to 343,218.40, 514,827.60 and 185,754.40

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Solution

The fourth proportional to 343,218.40, 514,827.60 and 185,754.40 is: 278,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,218.40 : 514,827.60 = 185,754.40 : x
  2. Step 2: Convert to fraction form
    343,218.40/514,827.60 = 185,754.40/x
  3. Step 3: Cross multiply
    343,218.40x = 514,827.60 × 185,754.40
  4. Step 4: Simplify right side
    343,218.40x = 95,631,491,941.44
  5. Step 5: Solve for x
    x = 95,631,491,941.44/343,218.40
  6. Step 6: Final answer
    x = 278,631.60

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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.