Home / 189,199.36-262,222.15-185,656.42

Finding the Fourth Proportional to 189,199.36, 262,222.15 and 185,656.42

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Solution

The fourth proportional to 189,199.36, 262,222.15 and 185,656.42 is: 257,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,199.36 : 262,222.15 = 185,656.42 : x
  2. Step 2: Convert to fraction form
    189,199.36/262,222.15 = 185,656.42/x
  3. Step 3: Cross multiply
    189,199.36x = 262,222.15 × 185,656.42
  4. Step 4: Simplify right side
    189,199.36x = 48,683,225,613.70
  5. Step 5: Solve for x
    x = 48,683,225,613.70/189,199.36
  6. Step 6: Final answer
    x = 257,311.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.