Home / 156,202.08-215,558.55-84,582.30

Finding the Fourth Proportional to 156,202.08, 215,558.55 and 84,582.30

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Solution

The fourth proportional to 156,202.08, 215,558.55 and 84,582.30 is: 116,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,202.08 : 215,558.55 = 84,582.30 : x
  2. Step 2: Convert to fraction form
    156,202.08/215,558.55 = 84,582.30/x
  3. Step 3: Cross multiply
    156,202.08x = 215,558.55 × 84,582.30
  4. Step 4: Simplify right side
    156,202.08x = 18,232,437,943.67
  5. Step 5: Solve for x
    x = 18,232,437,943.67/156,202.08
  6. Step 6: Final answer
    x = 116,723.40

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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.