Home / 156,216.04-215,577.72-84,596.05

Finding the Fourth Proportional to 156,216.04, 215,577.72 and 84,596.05

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Solution

The fourth proportional to 156,216.04, 215,577.72 and 84,596.05 is: 116,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,216.04 : 215,577.72 = 84,596.05 : x
  2. Step 2: Convert to fraction form
    156,216.04/215,577.72 = 84,596.05/x
  3. Step 3: Cross multiply
    156,216.04x = 215,577.72 × 84,596.05
  4. Step 4: Simplify right side
    156,216.04x = 18,237,022,279.96
  5. Step 5: Solve for x
    x = 18,237,022,279.96/156,216.04
  6. Step 6: Final answer
    x = 116,742.31

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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.