Home / 112,190.12-154,817.16-64,409.84

Finding the Fourth Proportional to 112,190.12, 154,817.16 and 64,409.84

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Solution

The fourth proportional to 112,190.12, 154,817.16 and 64,409.84 is: 88,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,190.12 : 154,817.16 = 64,409.84 : x
  2. Step 2: Convert to fraction form
    112,190.12/154,817.16 = 64,409.84/x
  3. Step 3: Cross multiply
    112,190.12x = 154,817.16 × 64,409.84
  4. Step 4: Simplify right side
    112,190.12x = 9,971,748,504.85
  5. Step 5: Solve for x
    x = 9,971,748,504.85/112,190.12
  6. Step 6: Final answer
    x = 88,882.59

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1.5x scale

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.