Home / 372,872.32-514,567.31-211,730.74

Finding the Fourth Proportional to 372,872.32, 514,567.31 and 211,730.74

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Solution

The fourth proportional to 372,872.32, 514,567.31 and 211,730.74 is: 292,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,872.32 : 514,567.31 = 211,730.74 : x
  2. Step 2: Convert to fraction form
    372,872.32/514,567.31 = 211,730.74/x
  3. Step 3: Cross multiply
    372,872.32x = 514,567.31 × 211,730.74
  4. Step 4: Simplify right side
    372,872.32x = 108,949,714,981.04
  5. Step 5: Solve for x
    x = 108,949,714,981.04/372,872.32
  6. Step 6: Final answer
    x = 292,190.41

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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.