Home / 156,782.30-235,105.41-56,909.30

Finding the Fourth Proportional to 156,782.30, 235,105.41 and 56,909.30

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Solution

The fourth proportional to 156,782.30, 235,105.41 and 56,909.30 is: 85,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,782.30 : 235,105.41 = 56,909.30 : x
  2. Step 2: Convert to fraction form
    156,782.30/235,105.41 = 56,909.30/x
  3. Step 3: Cross multiply
    156,782.30x = 235,105.41 × 56,909.30
  4. Step 4: Simplify right side
    156,782.30x = 13,379,684,309.31
  5. Step 5: Solve for x
    x = 13,379,684,309.31/156,782.30
  6. Step 6: Final answer
    x = 85,339.25

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1.5x scale

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.