Home / 174,131.72-239,964.90-117,444.68

Finding the Fourth Proportional to 174,131.72, 239,964.90 and 117,444.68

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Solution

The fourth proportional to 174,131.72, 239,964.90 and 117,444.68 is: 161,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,131.72 : 239,964.90 = 117,444.68 : x
  2. Step 2: Convert to fraction form
    174,131.72/239,964.90 = 117,444.68/x
  3. Step 3: Cross multiply
    174,131.72x = 239,964.90 × 117,444.68
  4. Step 4: Simplify right side
    174,131.72x = 28,182,600,891.73
  5. Step 5: Solve for x
    x = 28,182,600,891.73/174,131.72
  6. Step 6: Final answer
    x = 161,846.45

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1.5x scale

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.