Home / 112,243.07-154,896.33-61,256.21

Finding the Fourth Proportional to 112,243.07, 154,896.33 and 61,256.21

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Solution

The fourth proportional to 112,243.07, 154,896.33 and 61,256.21 is: 84,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,243.07 : 154,896.33 = 61,256.21 : x
  2. Step 2: Convert to fraction form
    112,243.07/154,896.33 = 61,256.21/x
  3. Step 3: Cross multiply
    112,243.07x = 154,896.33 × 61,256.21
  4. Step 4: Simplify right side
    112,243.07x = 9,488,362,118.71
  5. Step 5: Solve for x
    x = 9,488,362,118.71/112,243.07
  6. Step 6: Final answer
    x = 84,534.06

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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.