Home / 112,201.14-154,837.56-61,900.14

Finding the Fourth Proportional to 112,201.14, 154,837.56 and 61,900.14

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Solution

The fourth proportional to 112,201.14, 154,837.56 and 61,900.14 is: 85,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,201.14 : 154,837.56 = 61,900.14 : x
  2. Step 2: Convert to fraction form
    112,201.14/154,837.56 = 61,900.14/x
  3. Step 3: Cross multiply
    112,201.14x = 154,837.56 × 61,900.14
  4. Step 4: Simplify right side
    112,201.14x = 9,584,466,641.26
  5. Step 5: Solve for x
    x = 9,584,466,641.26/112,201.14
  6. Step 6: Final answer
    x = 85,422.19

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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.