Home / 112,201.13-154,837.55-61,900.13

Finding the Fourth Proportional to 112,201.13, 154,837.55 and 61,900.13

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Solution

The fourth proportional to 112,201.13, 154,837.55 and 61,900.13 is: 85,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,201.13 : 154,837.55 = 61,900.13 : x
  2. Step 2: Convert to fraction form
    112,201.13/154,837.55 = 61,900.13/x
  3. Step 3: Cross multiply
    112,201.13x = 154,837.55 × 61,900.13
  4. Step 4: Simplify right side
    112,201.13x = 9,584,464,473.88
  5. Step 5: Solve for x
    x = 9,584,464,473.88/112,201.13
  6. Step 6: Final answer
    x = 85,422.17

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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.