Home / 236,956.01-355,496.31-85,168.40

Finding the Fourth Proportional to 236,956.01, 355,496.31 and 85,168.40

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Solution

The fourth proportional to 236,956.01, 355,496.31 and 85,168.40 is: 127,774.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,956.01 : 355,496.31 = 85,168.40 : x
  2. Step 2: Convert to fraction form
    236,956.01/355,496.31 = 85,168.40/x
  3. Step 3: Cross multiply
    236,956.01x = 355,496.31 × 85,168.40
  4. Step 4: Simplify right side
    236,956.01x = 30,277,050,151.12
  5. Step 5: Solve for x
    x = 30,277,050,151.12/236,956.01
  6. Step 6: Final answer
    x = 127,774.99

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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.