Home / 126,935.91-190,409.09-104,707.89

Finding the Fourth Proportional to 126,935.91, 190,409.09 and 104,707.89

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Solution

The fourth proportional to 126,935.91, 190,409.09 and 104,707.89 is: 157,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935.91 : 190,409.09 = 104,707.89 : x
  2. Step 2: Convert to fraction form
    126,935.91/190,409.09 = 104,707.89/x
  3. Step 3: Cross multiply
    126,935.91x = 190,409.09 × 104,707.89
  4. Step 4: Simplify right side
    126,935.91x = 19,937,333,527.18
  5. Step 5: Solve for x
    x = 19,937,333,527.18/126,935.91
  6. Step 6: Final answer
    x = 157,066.14

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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.