Home / 121,885.04-182,384.39-100,627.40

Finding the Fourth Proportional to 121,885.04, 182,384.39 and 100,627.40

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Solution

The fourth proportional to 121,885.04, 182,384.39 and 100,627.40 is: 150,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,885.04 : 182,384.39 = 100,627.40 : x
  2. Step 2: Convert to fraction form
    121,885.04/182,384.39 = 100,627.40/x
  3. Step 3: Cross multiply
    121,885.04x = 182,384.39 × 100,627.40
  4. Step 4: Simplify right side
    121,885.04x = 18,352,867,673.82
  5. Step 5: Solve for x
    x = 18,352,867,673.82/121,885.04
  6. Step 6: Final answer
    x = 150,575.22

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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.