Home / 156,700.26-235,143.75-56,868.24

Finding the Fourth Proportional to 156,700.26, 235,143.75 and 56,868.24

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Solution

The fourth proportional to 156,700.26, 235,143.75 and 56,868.24 is: 85,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,700.26 : 235,143.75 = 56,868.24 : x
  2. Step 2: Convert to fraction form
    156,700.26/235,143.75 = 56,868.24/x
  3. Step 3: Cross multiply
    156,700.26x = 235,143.75 × 56,868.24
  4. Step 4: Simplify right side
    156,700.26x = 13,372,211,209.50
  5. Step 5: Solve for x
    x = 13,372,211,209.50/156,700.26
  6. Step 6: Final answer
    x = 85,336.24

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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.