Home / 156,742.33-216,370.61-105,824.01

Finding the Fourth Proportional to 156,742.33, 216,370.61 and 105,824.01

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Solution

The fourth proportional to 156,742.33, 216,370.61 and 105,824.01 is: 146,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.33 : 216,370.61 = 105,824.01 : x
  2. Step 2: Convert to fraction form
    156,742.33/216,370.61 = 105,824.01/x
  3. Step 3: Cross multiply
    156,742.33x = 216,370.61 × 105,824.01
  4. Step 4: Simplify right side
    156,742.33x = 22,897,205,596.35
  5. Step 5: Solve for x
    x = 22,897,205,596.35/156,742.33
  6. Step 6: Final answer
    x = 146,081.82

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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.