Home / 211,524.16-291,856.12-125,439.40

Finding the Fourth Proportional to 211,524.16, 291,856.12 and 125,439.40

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Solution

The fourth proportional to 211,524.16, 291,856.12 and 125,439.40 is: 173,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,524.16 : 291,856.12 = 125,439.40 : x
  2. Step 2: Convert to fraction form
    211,524.16/291,856.12 = 125,439.40/x
  3. Step 3: Cross multiply
    211,524.16x = 291,856.12 × 125,439.40
  4. Step 4: Simplify right side
    211,524.16x = 36,610,256,579.13
  5. Step 5: Solve for x
    x = 36,610,256,579.13/211,524.16
  6. Step 6: Final answer
    x = 173,078.37

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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.