Home / 213,490.17-294,584.99-121,610.25

Finding the Fourth Proportional to 213,490.17, 294,584.99 and 121,610.25

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Solution

The fourth proportional to 213,490.17, 294,584.99 and 121,610.25 is: 167,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,490.17 : 294,584.99 = 121,610.25 : x
  2. Step 2: Convert to fraction form
    213,490.17/294,584.99 = 121,610.25/x
  3. Step 3: Cross multiply
    213,490.17x = 294,584.99 × 121,610.25
  4. Step 4: Simplify right side
    213,490.17x = 35,824,553,672.10
  5. Step 5: Solve for x
    x = 35,824,553,672.10/213,490.17
  6. Step 6: Final answer
    x = 167,804.23

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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.