Home / 165,963.17-249,043.21-155,455.34

Finding the Fourth Proportional to 165,963.17, 249,043.21 and 155,455.34

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Solution

The fourth proportional to 165,963.17, 249,043.21 and 155,455.34 is: 233,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,963.17 : 249,043.21 = 155,455.34 : x
  2. Step 2: Convert to fraction form
    165,963.17/249,043.21 = 155,455.34/x
  3. Step 3: Cross multiply
    165,963.17x = 249,043.21 × 155,455.34
  4. Step 4: Simplify right side
    165,963.17x = 38,715,095,251.39
  5. Step 5: Solve for x
    x = 38,715,095,251.39/165,963.17
  6. Step 6: Final answer
    x = 233,275.22

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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.