Home / 157,936.36-217,962.72-89,042.84

Finding the Fourth Proportional to 157,936.36, 217,962.72 and 89,042.84

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Solution

The fourth proportional to 157,936.36, 217,962.72 and 89,042.84 is: 122,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,936.36 : 217,962.72 = 89,042.84 : x
  2. Step 2: Convert to fraction form
    157,936.36/217,962.72 = 89,042.84/x
  3. Step 3: Cross multiply
    157,936.36x = 217,962.72 × 89,042.84
  4. Step 4: Simplify right side
    157,936.36x = 19,408,019,602.92
  5. Step 5: Solve for x
    x = 19,408,019,602.92/157,936.36
  6. Step 6: Final answer
    x = 122,885.06

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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.