Home / 150,895.18-208,157.26-102,499.60

Finding the Fourth Proportional to 150,895.18, 208,157.26 and 102,499.60

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Solution

The fourth proportional to 150,895.18, 208,157.26 and 102,499.60 is: 141,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,895.18 : 208,157.26 = 102,499.60 : x
  2. Step 2: Convert to fraction form
    150,895.18/208,157.26 = 102,499.60/x
  3. Step 3: Cross multiply
    150,895.18x = 208,157.26 × 102,499.60
  4. Step 4: Simplify right side
    150,895.18x = 21,336,035,887.10
  5. Step 5: Solve for x
    x = 21,336,035,887.10/150,895.18
  6. Step 6: Final answer
    x = 141,396.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.