Home / 112,150.23-154,767.45-61,163.04

Finding the Fourth Proportional to 112,150.23, 154,767.45 and 61,163.04

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Solution

The fourth proportional to 112,150.23, 154,767.45 and 61,163.04 is: 84,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,150.23 : 154,767.45 = 61,163.04 : x
  2. Step 2: Convert to fraction form
    112,150.23/154,767.45 = 61,163.04/x
  3. Step 3: Cross multiply
    112,150.23x = 154,767.45 × 61,163.04
  4. Step 4: Simplify right side
    112,150.23x = 9,466,047,735.05
  5. Step 5: Solve for x
    x = 9,466,047,735.05/112,150.23
  6. Step 6: Final answer
    x = 84,405.07

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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.