Home / 157,997.80-217,844.58-148,839.40

Finding the Fourth Proportional to 157,997.80, 217,844.58 and 148,839.40

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Solution

The fourth proportional to 157,997.80, 217,844.58 and 148,839.40 is: 205,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,997.80 : 217,844.58 = 148,839.40 : x
  2. Step 2: Convert to fraction form
    157,997.80/217,844.58 = 148,839.40/x
  3. Step 3: Cross multiply
    157,997.80x = 217,844.58 × 148,839.40
  4. Step 4: Simplify right side
    157,997.80x = 32,423,856,580.45
  5. Step 5: Solve for x
    x = 32,423,856,580.45/157,997.80
  6. Step 6: Final answer
    x = 205,217.14

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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.