Home / 156,234.02-215,603.78-84,614.22

Finding the Fourth Proportional to 156,234.02, 215,603.78 and 84,614.22

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Solution

The fourth proportional to 156,234.02, 215,603.78 and 84,614.22 is: 116,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,234.02 : 215,603.78 = 84,614.22 : x
  2. Step 2: Convert to fraction form
    156,234.02/215,603.78 = 84,614.22/x
  3. Step 3: Cross multiply
    156,234.02x = 215,603.78 × 84,614.22
  4. Step 4: Simplify right side
    156,234.02x = 18,243,145,250.68
  5. Step 5: Solve for x
    x = 18,243,145,250.68/156,234.02
  6. Step 6: Final answer
    x = 116,768.08

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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.