Home / 160,539.71-240,884.28-71,853.21

Finding the Fourth Proportional to 160,539.71, 240,884.28 and 71,853.21

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Solution

The fourth proportional to 160,539.71, 240,884.28 and 71,853.21 is: 107,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,539.71 : 240,884.28 = 71,853.21 : x
  2. Step 2: Convert to fraction form
    160,539.71/240,884.28 = 71,853.21/x
  3. Step 3: Cross multiply
    160,539.71x = 240,884.28 × 71,853.21
  4. Step 4: Simplify right side
    160,539.71x = 17,308,308,756.54
  5. Step 5: Solve for x
    x = 17,308,308,756.54/160,539.71
  6. Step 6: Final answer
    x = 107,813.26

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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.