Home / 142,301.07-196,285.68-91,260.27

Finding the Fourth Proportional to 142,301.07, 196,285.68 and 91,260.27

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Solution

The fourth proportional to 142,301.07, 196,285.68 and 91,260.27 is: 125,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,301.07 : 196,285.68 = 91,260.27 : x
  2. Step 2: Convert to fraction form
    142,301.07/196,285.68 = 91,260.27/x
  3. Step 3: Cross multiply
    142,301.07x = 196,285.68 × 91,260.27
  4. Step 4: Simplify right side
    142,301.07x = 17,913,084,153.93
  5. Step 5: Solve for x
    x = 17,913,084,153.93/142,301.07
  6. Step 6: Final answer
    x = 125,881.58

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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.