Home / 185,786.90-278,641.93-117,377.74

Finding the Fourth Proportional to 185,786.90, 278,641.93 and 117,377.74

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Solution

The fourth proportional to 185,786.90, 278,641.93 and 117,377.74 is: 176,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,786.90 : 278,641.93 = 117,377.74 : x
  2. Step 2: Convert to fraction form
    185,786.90/278,641.93 = 117,377.74/x
  3. Step 3: Cross multiply
    185,786.90x = 278,641.93 × 117,377.74
  4. Step 4: Simplify right side
    185,786.90x = 32,706,360,012.64
  5. Step 5: Solve for x
    x = 32,706,360,012.64/185,786.90
  6. Step 6: Final answer
    x = 176,042.34

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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.