Home / 134,625.06-185,783.90-74,195.82

Finding the Fourth Proportional to 134,625.06, 185,783.90 and 74,195.82

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Solution

The fourth proportional to 134,625.06, 185,783.90 and 74,195.82 is: 102,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,625.06 : 185,783.90 = 74,195.82 : x
  2. Step 2: Convert to fraction form
    134,625.06/185,783.90 = 74,195.82/x
  3. Step 3: Cross multiply
    134,625.06x = 185,783.90 × 74,195.82
  4. Step 4: Simplify right side
    134,625.06x = 13,784,388,432.32
  5. Step 5: Solve for x
    x = 13,784,388,432.32/134,625.06
  6. Step 6: Final answer
    x = 102,390.95

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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.