Home / 112,197.38-154,832.37-61,896.38

Finding the Fourth Proportional to 112,197.38, 154,832.37 and 61,896.38

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Solution

The fourth proportional to 112,197.38, 154,832.37 and 61,896.38 is: 85,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,197.38 : 154,832.37 = 61,896.38 : x
  2. Step 2: Convert to fraction form
    112,197.38/154,832.37 = 61,896.38/x
  3. Step 3: Cross multiply
    112,197.38x = 154,832.37 × 61,896.38
  4. Step 4: Simplify right side
    112,197.38x = 9,583,563,209.82
  5. Step 5: Solve for x
    x = 9,583,563,209.82/112,197.38
  6. Step 6: Final answer
    x = 85,417.00

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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.