Home / 119,904.01-165,467.93-66,188.90

Finding the Fourth Proportional to 119,904.01, 165,467.93 and 66,188.90

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Solution

The fourth proportional to 119,904.01, 165,467.93 and 66,188.90 is: 91,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,904.01 : 165,467.93 = 66,188.90 : x
  2. Step 2: Convert to fraction form
    119,904.01/165,467.93 = 66,188.90/x
  3. Step 3: Cross multiply
    119,904.01x = 165,467.93 × 66,188.90
  4. Step 4: Simplify right side
    119,904.01x = 10,952,140,028.95
  5. Step 5: Solve for x
    x = 10,952,140,028.95/119,904.01
  6. Step 6: Final answer
    x = 91,340.90

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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.