Home / 393,730.08-590,681.27-127,517.51

Finding the Fourth Proportional to 393,730.08, 590,681.27 and 127,517.51

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Solution

The fourth proportional to 393,730.08, 590,681.27 and 127,517.51 is: 191,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,730.08 : 590,681.27 = 127,517.51 : x
  2. Step 2: Convert to fraction form
    393,730.08/590,681.27 = 127,517.51/x
  3. Step 3: Cross multiply
    393,730.08x = 590,681.27 × 127,517.51
  4. Step 4: Simplify right side
    393,730.08x = 75,322,201,163.04
  5. Step 5: Solve for x
    x = 75,322,201,163.04/393,730.08
  6. Step 6: Final answer
    x = 191,304.16

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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.