Home / 103,309.07-155,023.44-43,332.22

Finding the Fourth Proportional to 103,309.07, 155,023.44 and 43,332.22

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Solution

The fourth proportional to 103,309.07, 155,023.44 and 43,332.22 is: 65,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,309.07 : 155,023.44 = 43,332.22 : x
  2. Step 2: Convert to fraction form
    103,309.07/155,023.44 = 43,332.22/x
  3. Step 3: Cross multiply
    103,309.07x = 155,023.44 × 43,332.22
  4. Step 4: Simplify right side
    103,309.07x = 6,717,509,419.68
  5. Step 5: Solve for x
    x = 6,717,509,419.68/103,309.07
  6. Step 6: Final answer
    x = 65,023.42

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1.5x scale

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.