Home / 134,429.52-185,511.32-73,998.88

Finding the Fourth Proportional to 134,429.52, 185,511.32 and 73,998.88

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Solution

The fourth proportional to 134,429.52, 185,511.32 and 73,998.88 is: 102,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,429.52 : 185,511.32 = 73,998.88 : x
  2. Step 2: Convert to fraction form
    134,429.52/185,511.32 = 73,998.88/x
  3. Step 3: Cross multiply
    134,429.52x = 185,511.32 × 73,998.88
  4. Step 4: Simplify right side
    134,429.52x = 13,727,629,907.32
  5. Step 5: Solve for x
    x = 13,727,629,907.32/134,429.52
  6. Step 6: Final answer
    x = 102,117.67

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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.