Home / 295,258.37-442,221.69-137,154.11

Finding the Fourth Proportional to 295,258.37, 442,221.69 and 137,154.11

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Solution

The fourth proportional to 295,258.37, 442,221.69 and 137,154.11 is: 205,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,258.37 : 442,221.69 = 137,154.11 : x
  2. Step 2: Convert to fraction form
    295,258.37/442,221.69 = 137,154.11/x
  3. Step 3: Cross multiply
    295,258.37x = 442,221.69 × 137,154.11
  4. Step 4: Simplify right side
    295,258.37x = 60,652,520,523.32
  5. Step 5: Solve for x
    x = 60,652,520,523.32/295,258.37
  6. Step 6: Final answer
    x = 205,421.85

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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.