Home / 156,811.32-235,216.50-63,315.96

Finding the Fourth Proportional to 156,811.32, 235,216.50 and 63,315.96

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Solution

The fourth proportional to 156,811.32, 235,216.50 and 63,315.96 is: 94,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,811.32 : 235,216.50 = 63,315.96 : x
  2. Step 2: Convert to fraction form
    156,811.32/235,216.50 = 63,315.96/x
  3. Step 3: Cross multiply
    156,811.32x = 235,216.50 × 63,315.96
  4. Step 4: Simplify right side
    156,811.32x = 14,892,958,505.34
  5. Step 5: Solve for x
    x = 14,892,958,505.34/156,811.32
  6. Step 6: Final answer
    x = 94,973.75

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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.