Home / 156,735.91-216,361.77-105,817.61

Finding the Fourth Proportional to 156,735.91, 216,361.77 and 105,817.61

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Solution

The fourth proportional to 156,735.91, 216,361.77 and 105,817.61 is: 146,073.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,735.91 : 216,361.77 = 105,817.61 : x
  2. Step 2: Convert to fraction form
    156,735.91/216,361.77 = 105,817.61/x
  3. Step 3: Cross multiply
    156,735.91x = 216,361.77 × 105,817.61
  4. Step 4: Simplify right side
    156,735.91x = 22,894,885,937.67
  5. Step 5: Solve for x
    x = 22,894,885,937.67/156,735.91
  6. Step 6: Final answer
    x = 146,073.01

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1.5x scale

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.