Home / 240,437.18-360,688.60-100,163

Finding the Fourth Proportional to 240,437.18, 360,688.60 and 100,163

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Solution

The fourth proportional to 240,437.18, 360,688.60 and 100,163 is: 150,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,437.18 : 360,688.60 = 100,163 : x
  2. Step 2: Convert to fraction form
    240,437.18/360,688.60 = 100,163/x
  3. Step 3: Cross multiply
    240,437.18x = 360,688.60 × 100,163
  4. Step 4: Simplify right side
    240,437.18x = 36,127,652,241.80
  5. Step 5: Solve for x
    x = 36,127,652,241.80/240,437.18
  6. Step 6: Final answer
    x = 150,258.18

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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.