Home / 156,695.13-235,136.09-56,863.11

Finding the Fourth Proportional to 156,695.13, 235,136.09 and 56,863.11

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Solution

The fourth proportional to 156,695.13, 235,136.09 and 56,863.11 is: 85,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,695.13 : 235,136.09 = 56,863.11 : x
  2. Step 2: Convert to fraction form
    156,695.13/235,136.09 = 56,863.11/x
  3. Step 3: Cross multiply
    156,695.13x = 235,136.09 × 56,863.11
  4. Step 4: Simplify right side
    156,695.13x = 13,370,569,350.64
  5. Step 5: Solve for x
    x = 13,370,569,350.64/156,695.13
  6. Step 6: Final answer
    x = 85,328.56

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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.