Home / 156,018.91-215,307.15-95,589.67

Finding the Fourth Proportional to 156,018.91, 215,307.15 and 95,589.67

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Solution

The fourth proportional to 156,018.91, 215,307.15 and 95,589.67 is: 131,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,018.91 : 215,307.15 = 95,589.67 : x
  2. Step 2: Convert to fraction form
    156,018.91/215,307.15 = 95,589.67/x
  3. Step 3: Cross multiply
    156,018.91x = 215,307.15 × 95,589.67
  4. Step 4: Simplify right side
    156,018.91x = 20,581,139,417.14
  5. Step 5: Solve for x
    x = 20,581,139,417.14/156,018.91
  6. Step 6: Final answer
    x = 131,914.39

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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.