Home / 189,693.09-262,975.07-179,580.78

Finding the Fourth Proportional to 189,693.09, 262,975.07 and 179,580.78

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Solution

The fourth proportional to 189,693.09, 262,975.07 and 179,580.78 is: 248,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,693.09 : 262,975.07 = 179,580.78 : x
  2. Step 2: Convert to fraction form
    189,693.09/262,975.07 = 179,580.78/x
  3. Step 3: Cross multiply
    189,693.09x = 262,975.07 × 179,580.78
  4. Step 4: Simplify right side
    189,693.09x = 47,225,268,640.11
  5. Step 5: Solve for x
    x = 47,225,268,640.11/189,693.09
  6. Step 6: Final answer
    x = 248,956.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.