Home / 185,783.90-278,637.44-117,374.74

Finding the Fourth Proportional to 185,783.90, 278,637.44 and 117,374.74

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Solution

The fourth proportional to 185,783.90, 278,637.44 and 117,374.74 is: 176,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,783.90 : 278,637.44 = 117,374.74 : x
  2. Step 2: Convert to fraction form
    185,783.90/278,637.44 = 117,374.74/x
  3. Step 3: Cross multiply
    185,783.90x = 278,637.44 × 117,374.74
  4. Step 4: Simplify right side
    185,783.90x = 32,704,995,790.80
  5. Step 5: Solve for x
    x = 32,704,995,790.80/185,783.90
  6. Step 6: Final answer
    x = 176,037.84

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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.