Home / 215,155.68-322,777.26-74,925.24

Finding the Fourth Proportional to 215,155.68, 322,777.26 and 74,925.24

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Solution

The fourth proportional to 215,155.68, 322,777.26 and 74,925.24 is: 112,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,155.68 : 322,777.26 = 74,925.24 : x
  2. Step 2: Convert to fraction form
    215,155.68/322,777.26 = 74,925.24/x
  3. Step 3: Cross multiply
    215,155.68x = 322,777.26 × 74,925.24
  4. Step 4: Simplify right side
    215,155.68x = 24,184,163,672.04
  5. Step 5: Solve for x
    x = 24,184,163,672.04/215,155.68
  6. Step 6: Final answer
    x = 112,403.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.