Home / 156,813.96-235,301.44-76,850.42

Finding the Fourth Proportional to 156,813.96, 235,301.44 and 76,850.42

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Solution

The fourth proportional to 156,813.96, 235,301.44 and 76,850.42 is: 115,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,813.96 : 235,301.44 = 76,850.42 : x
  2. Step 2: Convert to fraction form
    156,813.96/235,301.44 = 76,850.42/x
  3. Step 3: Cross multiply
    156,813.96x = 235,301.44 × 76,850.42
  4. Step 4: Simplify right side
    156,813.96x = 18,083,014,490.60
  5. Step 5: Solve for x
    x = 18,083,014,490.60/156,813.96
  6. Step 6: Final answer
    x = 115,315.08

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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.