Home / 166,868.93-230,277.77-90,386.26

Finding the Fourth Proportional to 166,868.93, 230,277.77 and 90,386.26

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Solution

The fourth proportional to 166,868.93, 230,277.77 and 90,386.26 is: 124,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,868.93 : 230,277.77 = 90,386.26 : x
  2. Step 2: Convert to fraction form
    166,868.93/230,277.77 = 90,386.26/x
  3. Step 3: Cross multiply
    166,868.93x = 230,277.77 × 90,386.26
  4. Step 4: Simplify right side
    166,868.93x = 20,813,944,788.12
  5. Step 5: Solve for x
    x = 20,813,944,788.12/166,868.93
  6. Step 6: Final answer
    x = 124,732.30

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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.