Home / 213,516.71-294,451.67-137,059.19

Finding the Fourth Proportional to 213,516.71, 294,451.67 and 137,059.19

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Solution

The fourth proportional to 213,516.71, 294,451.67 and 137,059.19 is: 189,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,516.71 : 294,451.67 = 137,059.19 : x
  2. Step 2: Convert to fraction form
    213,516.71/294,451.67 = 137,059.19/x
  3. Step 3: Cross multiply
    213,516.71x = 294,451.67 × 137,059.19
  4. Step 4: Simplify right side
    213,516.71x = 40,357,307,384.35
  5. Step 5: Solve for x
    x = 40,357,307,384.35/213,516.71
  6. Step 6: Final answer
    x = 189,012.41

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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.