Home / 147,356.69-221,036.58-117,961.38

Finding the Fourth Proportional to 147,356.69, 221,036.58 and 117,961.38

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Solution

The fourth proportional to 147,356.69, 221,036.58 and 117,961.38 is: 176,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,356.69 : 221,036.58 = 117,961.38 : x
  2. Step 2: Convert to fraction form
    147,356.69/221,036.58 = 117,961.38/x
  3. Step 3: Cross multiply
    147,356.69x = 221,036.58 × 117,961.38
  4. Step 4: Simplify right side
    147,356.69x = 26,073,780,007.28
  5. Step 5: Solve for x
    x = 26,073,780,007.28/147,356.69
  6. Step 6: Final answer
    x = 176,943.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.