Home / 136,525.49-204,755.43-69,931.34

Finding the Fourth Proportional to 136,525.49, 204,755.43 and 69,931.34

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Solution

The fourth proportional to 136,525.49, 204,755.43 and 69,931.34 is: 104,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,525.49 : 204,755.43 = 69,931.34 : x
  2. Step 2: Convert to fraction form
    136,525.49/204,755.43 = 69,931.34/x
  3. Step 3: Cross multiply
    136,525.49x = 204,755.43 × 69,931.34
  4. Step 4: Simplify right side
    136,525.49x = 14,318,821,592.18
  5. Step 5: Solve for x
    x = 14,318,821,592.18/136,525.49
  6. Step 6: Final answer
    x = 104,880.21

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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.