Home / 372,577.11-514,127.10-211,432.16

Finding the Fourth Proportional to 372,577.11, 514,127.10 and 211,432.16

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Solution

The fourth proportional to 372,577.11, 514,127.10 and 211,432.16 is: 291,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,577.11 : 514,127.10 = 211,432.16 : x
  2. Step 2: Convert to fraction form
    372,577.11/514,127.10 = 211,432.16/x
  3. Step 3: Cross multiply
    372,577.11x = 514,127.10 × 211,432.16
  4. Step 4: Simplify right side
    372,577.11x = 108,703,003,267.54
  5. Step 5: Solve for x
    x = 108,703,003,267.54/372,577.11
  6. Step 6: Final answer
    x = 291,759.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.