Home / 211,177.32-291,520.32-125,150.28

Finding the Fourth Proportional to 211,177.32, 291,520.32 and 125,150.28

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Solution

The fourth proportional to 211,177.32, 291,520.32 and 125,150.28 is: 172,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,177.32 : 291,520.32 = 125,150.28 : x
  2. Step 2: Convert to fraction form
    211,177.32/291,520.32 = 125,150.28/x
  3. Step 3: Cross multiply
    211,177.32x = 291,520.32 × 125,150.28
  4. Step 4: Simplify right side
    211,177.32x = 36,483,849,673.69
  5. Step 5: Solve for x
    x = 36,483,849,673.69/211,177.32
  6. Step 6: Final answer
    x = 172,764.05

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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.