Home / 213,716.09-294,928.47-118,229.24

Finding the Fourth Proportional to 213,716.09, 294,928.47 and 118,229.24

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Solution

The fourth proportional to 213,716.09, 294,928.47 and 118,229.24 is: 163,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,716.09 : 294,928.47 = 118,229.24 : x
  2. Step 2: Convert to fraction form
    213,716.09/294,928.47 = 118,229.24/x
  3. Step 3: Cross multiply
    213,716.09x = 294,928.47 × 118,229.24
  4. Step 4: Simplify right side
    213,716.09x = 34,869,167,387.82
  5. Step 5: Solve for x
    x = 34,869,167,387.82/213,716.09
  6. Step 6: Final answer
    x = 163,156.50

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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.