Home / 157,728.33-217,284.12-134,994.60

Finding the Fourth Proportional to 157,728.33, 217,284.12 and 134,994.60

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Solution

The fourth proportional to 157,728.33, 217,284.12 and 134,994.60 is: 185,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,728.33 : 217,284.12 = 134,994.60 : x
  2. Step 2: Convert to fraction form
    157,728.33/217,284.12 = 134,994.60/x
  3. Step 3: Cross multiply
    157,728.33x = 217,284.12 × 134,994.60
  4. Step 4: Simplify right side
    157,728.33x = 29,332,182,865.75
  5. Step 5: Solve for x
    x = 29,332,182,865.75/157,728.33
  6. Step 6: Final answer
    x = 185,966.48

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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.