Home / 188,683.32-260,490.48-125,107.08

Finding the Fourth Proportional to 188,683.32, 260,490.48 and 125,107.08

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Solution

The fourth proportional to 188,683.32, 260,490.48 and 125,107.08 is: 172,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,683.32 : 260,490.48 = 125,107.08 : x
  2. Step 2: Convert to fraction form
    188,683.32/260,490.48 = 125,107.08/x
  3. Step 3: Cross multiply
    188,683.32x = 260,490.48 × 125,107.08
  4. Step 4: Simplify right side
    188,683.32x = 32,589,203,320.60
  5. Step 5: Solve for x
    x = 32,589,203,320.60/188,683.32
  6. Step 6: Final answer
    x = 172,719.05

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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.