Home / 138,233.57-190,664.06-92,270.04

Finding the Fourth Proportional to 138,233.57, 190,664.06 and 92,270.04

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Solution

The fourth proportional to 138,233.57, 190,664.06 and 92,270.04 is: 127,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,233.57 : 190,664.06 = 92,270.04 : x
  2. Step 2: Convert to fraction form
    138,233.57/190,664.06 = 92,270.04/x
  3. Step 3: Cross multiply
    138,233.57x = 190,664.06 × 92,270.04
  4. Step 4: Simplify right side
    138,233.57x = 17,592,579,612.43
  5. Step 5: Solve for x
    x = 17,592,579,612.43/138,233.57
  6. Step 6: Final answer
    x = 127,267.06

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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.