Home / 147,867.07-221,991.28-126,941.58

Finding the Fourth Proportional to 147,867.07, 221,991.28 and 126,941.58

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Solution

The fourth proportional to 147,867.07, 221,991.28 and 126,941.58 is: 190,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,867.07 : 221,991.28 = 126,941.58 : x
  2. Step 2: Convert to fraction form
    147,867.07/221,991.28 = 126,941.58/x
  3. Step 3: Cross multiply
    147,867.07x = 221,991.28 × 126,941.58
  4. Step 4: Simplify right side
    147,867.07x = 28,179,924,226.11
  5. Step 5: Solve for x
    x = 28,179,924,226.11/147,867.07
  6. Step 6: Final answer
    x = 190,576.07

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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.