Home / 111,653.13-154,083.75-61,352.13

Finding the Fourth Proportional to 111,653.13, 154,083.75 and 61,352.13

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Solution

The fourth proportional to 111,653.13, 154,083.75 and 61,352.13 is: 84,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,653.13 : 154,083.75 = 61,352.13 : x
  2. Step 2: Convert to fraction form
    111,653.13/154,083.75 = 61,352.13/x
  3. Step 3: Cross multiply
    111,653.13x = 154,083.75 × 61,352.13
  4. Step 4: Simplify right side
    111,653.13x = 9,453,366,260.89
  5. Step 5: Solve for x
    x = 9,453,366,260.89/111,653.13
  6. Step 6: Final answer
    x = 84,667.27

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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.