Home / 156,786.55-235,184.21-38,457.70

Finding the Fourth Proportional to 156,786.55, 235,184.21 and 38,457.70

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Solution

The fourth proportional to 156,786.55, 235,184.21 and 38,457.70 is: 57,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,786.55 : 235,184.21 = 38,457.70 : x
  2. Step 2: Convert to fraction form
    156,786.55/235,184.21 = 38,457.70/x
  3. Step 3: Cross multiply
    156,786.55x = 235,184.21 × 38,457.70
  4. Step 4: Simplify right side
    156,786.55x = 9,044,643,792.92
  5. Step 5: Solve for x
    x = 9,044,643,792.92/156,786.55
  6. Step 6: Final answer
    x = 57,687.63

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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.