Home / 514,554.17-771,761.18-135,443.15

Finding the Fourth Proportional to 514,554.17, 771,761.18 and 135,443.15

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Solution

The fourth proportional to 514,554.17, 771,761.18 and 135,443.15 is: 203,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,554.17 : 771,761.18 = 135,443.15 : x
  2. Step 2: Convert to fraction form
    514,554.17/771,761.18 = 135,443.15/x
  3. Step 3: Cross multiply
    514,554.17x = 771,761.18 × 135,443.15
  4. Step 4: Simplify right side
    514,554.17x = 104,529,764,640.82
  5. Step 5: Solve for x
    x = 104,529,764,640.82/514,554.17
  6. Step 6: Final answer
    x = 203,146.28

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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.