Home / 156,726.20-235,089.30-154,393.40

Finding the Fourth Proportional to 156,726.20, 235,089.30 and 154,393.40

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Solution

The fourth proportional to 156,726.20, 235,089.30 and 154,393.40 is: 231,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,726.20 : 235,089.30 = 154,393.40 : x
  2. Step 2: Convert to fraction form
    156,726.20/235,089.30 = 154,393.40/x
  3. Step 3: Cross multiply
    156,726.20x = 235,089.30 × 154,393.40
  4. Step 4: Simplify right side
    156,726.20x = 36,296,236,330.62
  5. Step 5: Solve for x
    x = 36,296,236,330.62/156,726.20
  6. Step 6: Final answer
    x = 231,590.10

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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.