Home / 240,316.32-331,585.20-139,660.32

Finding the Fourth Proportional to 240,316.32, 331,585.20 and 139,660.32

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Solution

The fourth proportional to 240,316.32, 331,585.20 and 139,660.32 is: 192,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,316.32 : 331,585.20 = 139,660.32 : x
  2. Step 2: Convert to fraction form
    240,316.32/331,585.20 = 139,660.32/x
  3. Step 3: Cross multiply
    240,316.32x = 331,585.20 × 139,660.32
  4. Step 4: Simplify right side
    240,316.32x = 46,309,295,139.26
  5. Step 5: Solve for x
    x = 46,309,295,139.26/240,316.32
  6. Step 6: Final answer
    x = 192,701.42

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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.