Home / 235,516.32-324,898.20-139,955.22

Finding the Fourth Proportional to 235,516.32, 324,898.20 and 139,955.22

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Solution

The fourth proportional to 235,516.32, 324,898.20 and 139,955.22 is: 193,070.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,516.32 : 324,898.20 = 139,955.22 : x
  2. Step 2: Convert to fraction form
    235,516.32/324,898.20 = 139,955.22/x
  3. Step 3: Cross multiply
    235,516.32x = 324,898.20 × 139,955.22
  4. Step 4: Simplify right side
    235,516.32x = 45,471,199,058.60
  5. Step 5: Solve for x
    x = 45,471,199,058.60/235,516.32
  6. Step 6: Final answer
    x = 193,070.27

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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.