Home / 157,479.48-217,410.12-109,151.64

Finding the Fourth Proportional to 157,479.48, 217,410.12 and 109,151.64

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Solution

The fourth proportional to 157,479.48, 217,410.12 and 109,151.64 is: 150,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,479.48 : 217,410.12 = 109,151.64 : x
  2. Step 2: Convert to fraction form
    157,479.48/217,410.12 = 109,151.64/x
  3. Step 3: Cross multiply
    157,479.48x = 217,410.12 × 109,151.64
  4. Step 4: Simplify right side
    157,479.48x = 23,730,671,150.60
  5. Step 5: Solve for x
    x = 23,730,671,150.60/157,479.48
  6. Step 6: Final answer
    x = 150,690.56

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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.