Home / 192,825.92-266,068.13-121,155.19

Finding the Fourth Proportional to 192,825.92, 266,068.13 and 121,155.19

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Solution

The fourth proportional to 192,825.92, 266,068.13 and 121,155.19 is: 167,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,825.92 : 266,068.13 = 121,155.19 : x
  2. Step 2: Convert to fraction form
    192,825.92/266,068.13 = 121,155.19/x
  3. Step 3: Cross multiply
    192,825.92x = 266,068.13 × 121,155.19
  4. Step 4: Simplify right side
    192,825.92x = 32,235,533,572.15
  5. Step 5: Solve for x
    x = 32,235,533,572.15/192,825.92
  6. Step 6: Final answer
    x = 167,174.27

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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.