Home / 156,726.90-235,090.35-133,107.30

Finding the Fourth Proportional to 156,726.90, 235,090.35 and 133,107.30

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Solution

The fourth proportional to 156,726.90, 235,090.35 and 133,107.30 is: 199,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,726.90 : 235,090.35 = 133,107.30 : x
  2. Step 2: Convert to fraction form
    156,726.90/235,090.35 = 133,107.30/x
  3. Step 3: Cross multiply
    156,726.90x = 235,090.35 × 133,107.30
  4. Step 4: Simplify right side
    156,726.90x = 31,292,241,744.56
  5. Step 5: Solve for x
    x = 31,292,241,744.56/156,726.90
  6. Step 6: Final answer
    x = 199,660.95

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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.