Home / 156,747.15-216,315.35-92,220.93

Finding the Fourth Proportional to 156,747.15, 216,315.35 and 92,220.93

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Solution

The fourth proportional to 156,747.15, 216,315.35 and 92,220.93 is: 127,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,747.15 : 216,315.35 = 92,220.93 : x
  2. Step 2: Convert to fraction form
    156,747.15/216,315.35 = 92,220.93/x
  3. Step 3: Cross multiply
    156,747.15x = 216,315.35 × 92,220.93
  4. Step 4: Simplify right side
    156,747.15x = 19,948,802,750.28
  5. Step 5: Solve for x
    x = 19,948,802,750.28/156,747.15
  6. Step 6: Final answer
    x = 127,267.40

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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.