Home / 213,107.76-294,090.75-117,612.41

Finding the Fourth Proportional to 213,107.76, 294,090.75 and 117,612.41

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Solution

The fourth proportional to 213,107.76, 294,090.75 and 117,612.41 is: 162,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,107.76 : 294,090.75 = 117,612.41 : x
  2. Step 2: Convert to fraction form
    213,107.76/294,090.75 = 117,612.41/x
  3. Step 3: Cross multiply
    213,107.76x = 294,090.75 × 117,612.41
  4. Step 4: Simplify right side
    213,107.76x = 34,588,720,395.75
  5. Step 5: Solve for x
    x = 34,588,720,395.75/213,107.76
  6. Step 6: Final answer
    x = 162,306.25

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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.