Home / 156,961.40-235,355.70-51,726.20

Finding the Fourth Proportional to 156,961.40, 235,355.70 and 51,726.20

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Solution

The fourth proportional to 156,961.40, 235,355.70 and 51,726.20 is: 77,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,961.40 : 235,355.70 = 51,726.20 : x
  2. Step 2: Convert to fraction form
    156,961.40/235,355.70 = 51,726.20/x
  3. Step 3: Cross multiply
    156,961.40x = 235,355.70 × 51,726.20
  4. Step 4: Simplify right side
    156,961.40x = 12,174,056,009.34
  5. Step 5: Solve for x
    x = 12,174,056,009.34/156,961.40
  6. Step 6: Final answer
    x = 77,560.83

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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.