Home / 213,655.31-294,839.28-118,159.95

Finding the Fourth Proportional to 213,655.31, 294,839.28 and 118,159.95

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Solution

The fourth proportional to 213,655.31, 294,839.28 and 118,159.95 is: 163,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,655.31 : 294,839.28 = 118,159.95 : x
  2. Step 2: Convert to fraction form
    213,655.31/294,839.28 = 118,159.95/x
  3. Step 3: Cross multiply
    213,655.31x = 294,839.28 × 118,159.95
  4. Step 4: Simplify right side
    213,655.31x = 34,838,194,582.84
  5. Step 5: Solve for x
    x = 34,838,194,582.84/213,655.31
  6. Step 6: Final answer
    x = 163,057.94

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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.