Home / 165,972.56-249,057.27-155,464.71

Finding the Fourth Proportional to 165,972.56, 249,057.27 and 155,464.71

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Solution

The fourth proportional to 165,972.56, 249,057.27 and 155,464.71 is: 233,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,972.56 : 249,057.27 = 155,464.71 : x
  2. Step 2: Convert to fraction form
    165,972.56/249,057.27 = 155,464.71/x
  3. Step 3: Cross multiply
    165,972.56x = 249,057.27 × 155,464.71
  4. Step 4: Simplify right side
    165,972.56x = 38,719,616,253.94
  5. Step 5: Solve for x
    x = 38,719,616,253.94/165,972.56
  6. Step 6: Final answer
    x = 233,289.27

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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.