Home / 192,970.24-266,318.64-111,301.72

Finding the Fourth Proportional to 192,970.24, 266,318.64 and 111,301.72

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Solution

The fourth proportional to 192,970.24, 266,318.64 and 111,301.72 is: 153,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,970.24 : 266,318.64 = 111,301.72 : x
  2. Step 2: Convert to fraction form
    192,970.24/266,318.64 = 111,301.72/x
  3. Step 3: Cross multiply
    192,970.24x = 266,318.64 × 111,301.72
  4. Step 4: Simplify right side
    192,970.24x = 29,641,722,700.06
  5. Step 5: Solve for x
    x = 29,641,722,700.06/192,970.24
  6. Step 6: Final answer
    x = 153,607.74

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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.