Home / 116,172.42-173,977.95-66,100.84

Finding the Fourth Proportional to 116,172.42, 173,977.95 and 66,100.84

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Solution

The fourth proportional to 116,172.42, 173,977.95 and 66,100.84 is: 98,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,172.42 : 173,977.95 = 66,100.84 : x
  2. Step 2: Convert to fraction form
    116,172.42/173,977.95 = 66,100.84/x
  3. Step 3: Cross multiply
    116,172.42x = 173,977.95 × 66,100.84
  4. Step 4: Simplify right side
    116,172.42x = 11,500,088,636.48
  5. Step 5: Solve for x
    x = 11,500,088,636.48/116,172.42
  6. Step 6: Final answer
    x = 98,991.56

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1.5x scale

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.