Home / 156,542.33-234,808.86-135,420.01

Finding the Fourth Proportional to 156,542.33, 234,808.86 and 135,420.01

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Solution

The fourth proportional to 156,542.33, 234,808.86 and 135,420.01 is: 203,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,542.33 : 234,808.86 = 135,420.01 : x
  2. Step 2: Convert to fraction form
    156,542.33/234,808.86 = 135,420.01/x
  3. Step 3: Cross multiply
    156,542.33x = 234,808.86 × 135,420.01
  4. Step 4: Simplify right side
    156,542.33x = 31,797,817,582.27
  5. Step 5: Solve for x
    x = 31,797,817,582.27/156,542.33
  6. Step 6: Final answer
    x = 203,126.00

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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.