Home / 268,684.38-402,032.43-162,130.14

Finding the Fourth Proportional to 268,684.38, 402,032.43 and 162,130.14

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Solution

The fourth proportional to 268,684.38, 402,032.43 and 162,130.14 is: 242,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,684.38 : 402,032.43 = 162,130.14 : x
  2. Step 2: Convert to fraction form
    268,684.38/402,032.43 = 162,130.14/x
  3. Step 3: Cross multiply
    268,684.38x = 402,032.43 × 162,130.14
  4. Step 4: Simplify right side
    268,684.38x = 65,181,574,160.44
  5. Step 5: Solve for x
    x = 65,181,574,160.44/268,684.38
  6. Step 6: Final answer
    x = 242,595.32

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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.