Home / 156,376.14-215,798.22-84,755.40

Finding the Fourth Proportional to 156,376.14, 215,798.22 and 84,755.40

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Solution

The fourth proportional to 156,376.14, 215,798.22 and 84,755.40 is: 116,961.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,376.14 : 215,798.22 = 84,755.40 : x
  2. Step 2: Convert to fraction form
    156,376.14/215,798.22 = 84,755.40/x
  3. Step 3: Cross multiply
    156,376.14x = 215,798.22 × 84,755.40
  4. Step 4: Simplify right side
    156,376.14x = 18,290,064,455.39
  5. Step 5: Solve for x
    x = 18,290,064,455.39/156,376.14
  6. Step 6: Final answer
    x = 116,961.99

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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.