Home / 136,585.32-188,473.92-76,150.24

Finding the Fourth Proportional to 136,585.32, 188,473.92 and 76,150.24

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Solution

The fourth proportional to 136,585.32, 188,473.92 and 76,150.24 is: 105,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,585.32 : 188,473.92 = 76,150.24 : x
  2. Step 2: Convert to fraction form
    136,585.32/188,473.92 = 76,150.24/x
  3. Step 3: Cross multiply
    136,585.32x = 188,473.92 × 76,150.24
  4. Step 4: Simplify right side
    136,585.32x = 14,352,334,241.74
  5. Step 5: Solve for x
    x = 14,352,334,241.74/136,585.32
  6. Step 6: Final answer
    x = 105,079.63

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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.