Home / 190,501.07-262,918.71-109,956.29

Finding the Fourth Proportional to 190,501.07, 262,918.71 and 109,956.29

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Solution

The fourth proportional to 190,501.07, 262,918.71 and 109,956.29 is: 151,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,501.07 : 262,918.71 = 109,956.29 : x
  2. Step 2: Convert to fraction form
    190,501.07/262,918.71 = 109,956.29/x
  3. Step 3: Cross multiply
    190,501.07x = 262,918.71 × 109,956.29
  4. Step 4: Simplify right side
    190,501.07x = 28,909,564,608.59
  5. Step 5: Solve for x
    x = 28,909,564,608.59/190,501.07
  6. Step 6: Final answer
    x = 151,755.40

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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.