Home / 192,054.08-264,960.64-120,309.12

Finding the Fourth Proportional to 192,054.08, 264,960.64 and 120,309.12

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Solution

The fourth proportional to 192,054.08, 264,960.64 and 120,309.12 is: 165,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,054.08 : 264,960.64 = 120,309.12 : x
  2. Step 2: Convert to fraction form
    192,054.08/264,960.64 = 120,309.12/x
  3. Step 3: Cross multiply
    192,054.08x = 264,960.64 × 120,309.12
  4. Step 4: Simplify right side
    192,054.08x = 31,877,181,433.04
  5. Step 5: Solve for x
    x = 31,877,181,433.04/192,054.08
  6. Step 6: Final answer
    x = 165,980.24

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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.