Home / 344,215.16-516,144.55-154,512.17

Finding the Fourth Proportional to 344,215.16, 516,144.55 and 154,512.17

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Solution

The fourth proportional to 344,215.16, 516,144.55 and 154,512.17 is: 231,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,215.16 : 516,144.55 = 154,512.17 : x
  2. Step 2: Convert to fraction form
    344,215.16/516,144.55 = 154,512.17/x
  3. Step 3: Cross multiply
    344,215.16x = 516,144.55 × 154,512.17
  4. Step 4: Simplify right side
    344,215.16x = 79,750,615,358.25
  5. Step 5: Solve for x
    x = 79,750,615,358.25/344,215.16
  6. Step 6: Final answer
    x = 231,688.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.