Home / 247,055.97-340,812.03-156,259.02

Finding the Fourth Proportional to 247,055.97, 340,812.03 and 156,259.02

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Solution

The fourth proportional to 247,055.97, 340,812.03 and 156,259.02 is: 215,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,055.97 : 340,812.03 = 156,259.02 : x
  2. Step 2: Convert to fraction form
    247,055.97/340,812.03 = 156,259.02/x
  3. Step 3: Cross multiply
    247,055.97x = 340,812.03 × 156,259.02
  4. Step 4: Simplify right side
    247,055.97x = 53,254,953,812.01
  5. Step 5: Solve for x
    x = 53,254,953,812.01/247,055.97
  6. Step 6: Final answer
    x = 215,558.26

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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.