Home / 134,682.40-185,858.28-74,251.63

Finding the Fourth Proportional to 134,682.40, 185,858.28 and 74,251.63

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Solution

The fourth proportional to 134,682.40, 185,858.28 and 74,251.63 is: 102,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,682.40 : 185,858.28 = 74,251.63 : x
  2. Step 2: Convert to fraction form
    134,682.40/185,858.28 = 74,251.63/x
  3. Step 3: Cross multiply
    134,682.40x = 185,858.28 × 74,251.63
  4. Step 4: Simplify right side
    134,682.40x = 13,800,280,239.00
  5. Step 5: Solve for x
    x = 13,800,280,239.00/134,682.40
  6. Step 6: Final answer
    x = 102,465.36

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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.