Home / 156,019.91-215,308.53-95,590.67

Finding the Fourth Proportional to 156,019.91, 215,308.53 and 95,590.67

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Solution

The fourth proportional to 156,019.91, 215,308.53 and 95,590.67 is: 131,915.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,019.91 : 215,308.53 = 95,590.67 : x
  2. Step 2: Convert to fraction form
    156,019.91/215,308.53 = 95,590.67/x
  3. Step 3: Cross multiply
    156,019.91x = 215,308.53 × 95,590.67
  4. Step 4: Simplify right side
    156,019.91x = 20,581,486,639.42
  5. Step 5: Solve for x
    x = 20,581,486,639.42/156,019.91
  6. Step 6: Final answer
    x = 131,915.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.