Home / 142,274.07-196,248.62-91,233.14

Finding the Fourth Proportional to 142,274.07, 196,248.62 and 91,233.14

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Solution

The fourth proportional to 142,274.07, 196,248.62 and 91,233.14 is: 125,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,274.07 : 196,248.62 = 91,233.14 : x
  2. Step 2: Convert to fraction form
    142,274.07/196,248.62 = 91,233.14/x
  3. Step 3: Cross multiply
    142,274.07x = 196,248.62 × 91,233.14
  4. Step 4: Simplify right side
    142,274.07x = 17,904,377,070.11
  5. Step 5: Solve for x
    x = 17,904,377,070.11/142,274.07
  6. Step 6: Final answer
    x = 125,844.27

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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.