Home / 139,288.24-192,145.26-85,585.24

Finding the Fourth Proportional to 139,288.24, 192,145.26 and 85,585.24

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Solution

The fourth proportional to 139,288.24, 192,145.26 and 85,585.24 is: 118,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,288.24 : 192,145.26 = 85,585.24 : x
  2. Step 2: Convert to fraction form
    139,288.24/192,145.26 = 85,585.24/x
  3. Step 3: Cross multiply
    139,288.24x = 192,145.26 × 85,585.24
  4. Step 4: Simplify right side
    139,288.24x = 16,444,798,191.96
  5. Step 5: Solve for x
    x = 16,444,798,191.96/139,288.24
  6. Step 6: Final answer
    x = 118,063.08

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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.