Home / 213,731.12-294,946.71-116,934.06

Finding the Fourth Proportional to 213,731.12, 294,946.71 and 116,934.06

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Solution

The fourth proportional to 213,731.12, 294,946.71 and 116,934.06 is: 161,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,731.12 : 294,946.71 = 116,934.06 : x
  2. Step 2: Convert to fraction form
    213,731.12/294,946.71 = 116,934.06/x
  3. Step 3: Cross multiply
    213,731.12x = 294,946.71 × 116,934.06
  4. Step 4: Simplify right side
    213,731.12x = 34,489,316,283.94
  5. Step 5: Solve for x
    x = 34,489,316,283.94/213,731.12
  6. Step 6: Final answer
    x = 161,367.78

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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.