Home / 213,200.81-294,204.45-116,385.36

Finding the Fourth Proportional to 213,200.81, 294,204.45 and 116,385.36

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Solution

The fourth proportional to 213,200.81, 294,204.45 and 116,385.36 is: 160,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,200.81 : 294,204.45 = 116,385.36 : x
  2. Step 2: Convert to fraction form
    213,200.81/294,204.45 = 116,385.36/x
  3. Step 3: Cross multiply
    213,200.81x = 294,204.45 × 116,385.36
  4. Step 4: Simplify right side
    213,200.81x = 34,241,090,160.03
  5. Step 5: Solve for x
    x = 34,241,090,160.03/213,200.81
  6. Step 6: Final answer
    x = 160,604.88

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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.