Home / 295,257.93-442,221.03-137,153.67

Finding the Fourth Proportional to 295,257.93, 442,221.03 and 137,153.67

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Solution

The fourth proportional to 295,257.93, 442,221.03 and 137,153.67 is: 205,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,257.93 : 442,221.03 = 137,153.67 : x
  2. Step 2: Convert to fraction form
    295,257.93/442,221.03 = 137,153.67/x
  3. Step 3: Cross multiply
    295,257.93x = 442,221.03 × 137,153.67
  4. Step 4: Simplify right side
    295,257.93x = 60,652,237,215.68
  5. Step 5: Solve for x
    x = 60,652,237,215.68/295,257.93
  6. Step 6: Final answer
    x = 205,421.20

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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.