Home / 161,907.62-223,433.48-90,292.16

Finding the Fourth Proportional to 161,907.62, 223,433.48 and 90,292.16

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Solution

The fourth proportional to 161,907.62, 223,433.48 and 90,292.16 is: 124,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,907.62 : 223,433.48 = 90,292.16 : x
  2. Step 2: Convert to fraction form
    161,907.62/223,433.48 = 90,292.16/x
  3. Step 3: Cross multiply
    161,907.62x = 223,433.48 × 90,292.16
  4. Step 4: Simplify right side
    161,907.62x = 20,174,292,309.83
  5. Step 5: Solve for x
    x = 20,174,292,309.83/161,907.62
  6. Step 6: Final answer
    x = 124,603.73

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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.