Home / 156,234.58-215,603.85-84,614.74

Finding the Fourth Proportional to 156,234.58, 215,603.85 and 84,614.74

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Solution

The fourth proportional to 156,234.58, 215,603.85 and 84,614.74 is: 116,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,234.58 : 215,603.85 = 84,614.74 : x
  2. Step 2: Convert to fraction form
    156,234.58/215,603.85 = 84,614.74/x
  3. Step 3: Cross multiply
    156,234.58x = 215,603.85 × 84,614.74
  4. Step 4: Simplify right side
    156,234.58x = 18,243,263,710.75
  5. Step 5: Solve for x
    x = 18,243,263,710.75/156,234.58
  6. Step 6: Final answer
    x = 116,768.41

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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.