Home / 156,742.15-216,308.45-92,215.93

Finding the Fourth Proportional to 156,742.15, 216,308.45 and 92,215.93

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Solution

The fourth proportional to 156,742.15, 216,308.45 and 92,215.93 is: 127,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.15 : 216,308.45 = 92,215.93 : x
  2. Step 2: Convert to fraction form
    156,742.15/216,308.45 = 92,215.93/x
  3. Step 3: Cross multiply
    156,742.15x = 216,308.45 × 92,215.93
  4. Step 4: Simplify right side
    156,742.15x = 19,947,084,883.61
  5. Step 5: Solve for x
    x = 19,947,084,883.61/156,742.15
  6. Step 6: Final answer
    x = 127,260.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.