Home / 156,777.46-235,246.62-76,813.93

Finding the Fourth Proportional to 156,777.46, 235,246.62 and 76,813.93

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Solution

The fourth proportional to 156,777.46, 235,246.62 and 76,813.93 is: 115,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,777.46 : 235,246.62 = 76,813.93 : x
  2. Step 2: Convert to fraction form
    156,777.46/235,246.62 = 76,813.93/x
  3. Step 3: Cross multiply
    156,777.46x = 235,246.62 × 76,813.93
  4. Step 4: Simplify right side
    156,777.46x = 18,070,217,401.42
  5. Step 5: Solve for x
    x = 18,070,217,401.42/156,777.46
  6. Step 6: Final answer
    x = 115,260.30

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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.