Home / 156,241.03-215,612.56-84,621.06

Finding the Fourth Proportional to 156,241.03, 215,612.56 and 84,621.06

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Solution

The fourth proportional to 156,241.03, 215,612.56 and 84,621.06 is: 116,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,241.03 : 215,612.56 = 84,621.06 : x
  2. Step 2: Convert to fraction form
    156,241.03/215,612.56 = 84,621.06/x
  3. Step 3: Cross multiply
    156,241.03x = 215,612.56 × 84,621.06
  4. Step 4: Simplify right side
    156,241.03x = 18,245,363,376.51
  5. Step 5: Solve for x
    x = 18,245,363,376.51/156,241.03
  6. Step 6: Final answer
    x = 116,777.03

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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.