Home / 156,157.80-215,495.22-84,537.18

Finding the Fourth Proportional to 156,157.80, 215,495.22 and 84,537.18

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Solution

The fourth proportional to 156,157.80, 215,495.22 and 84,537.18 is: 116,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,157.80 : 215,495.22 = 84,537.18 : x
  2. Step 2: Convert to fraction form
    156,157.80/215,495.22 = 84,537.18/x
  3. Step 3: Cross multiply
    156,157.80x = 215,495.22 × 84,537.18
  4. Step 4: Simplify right side
    156,157.80x = 18,217,358,202.28
  5. Step 5: Solve for x
    x = 18,217,358,202.28/156,157.80
  6. Step 6: Final answer
    x = 116,659.93

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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.