Home / 334,341.95-501,511.16-81,623.78

Finding the Fourth Proportional to 334,341.95, 501,511.16 and 81,623.78

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Solution

The fourth proportional to 334,341.95, 501,511.16 and 81,623.78 is: 122,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,341.95 : 501,511.16 = 81,623.78 : x
  2. Step 2: Convert to fraction form
    334,341.95/501,511.16 = 81,623.78/x
  3. Step 3: Cross multiply
    334,341.95x = 501,511.16 × 81,623.78
  4. Step 4: Simplify right side
    334,341.95x = 40,935,236,591.38
  5. Step 5: Solve for x
    x = 40,935,236,591.38/334,341.95
  6. Step 6: Final answer
    x = 122,435.24

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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.