Home / 211,364.54-316,880.05-104,785.19

Finding the Fourth Proportional to 211,364.54, 316,880.05 and 104,785.19

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Solution

The fourth proportional to 211,364.54, 316,880.05 and 104,785.19 is: 157,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,364.54 : 316,880.05 = 104,785.19 : x
  2. Step 2: Convert to fraction form
    211,364.54/316,880.05 = 104,785.19/x
  3. Step 3: Cross multiply
    211,364.54x = 316,880.05 × 104,785.19
  4. Step 4: Simplify right side
    211,364.54x = 33,204,336,246.46
  5. Step 5: Solve for x
    x = 33,204,336,246.46/211,364.54
  6. Step 6: Final answer
    x = 157,095.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.