Home / 185,377.32-255,730.50-109,872.36

Finding the Fourth Proportional to 185,377.32, 255,730.50 and 109,872.36

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Solution

The fourth proportional to 185,377.32, 255,730.50 and 109,872.36 is: 151,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,377.32 : 255,730.50 = 109,872.36 : x
  2. Step 2: Convert to fraction form
    185,377.32/255,730.50 = 109,872.36/x
  3. Step 3: Cross multiply
    185,377.32x = 255,730.50 × 109,872.36
  4. Step 4: Simplify right side
    185,377.32x = 28,097,713,558.98
  5. Step 5: Solve for x
    x = 28,097,713,558.98/185,377.32
  6. Step 6: Final answer
    x = 151,570.39

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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.