Home / 190,139.58-262,516.41-122,182.74

Finding the Fourth Proportional to 190,139.58, 262,516.41 and 122,182.74

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Solution

The fourth proportional to 190,139.58, 262,516.41 and 122,182.74 is: 168,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,139.58 : 262,516.41 = 122,182.74 : x
  2. Step 2: Convert to fraction form
    190,139.58/262,516.41 = 122,182.74/x
  3. Step 3: Cross multiply
    190,139.58x = 262,516.41 × 122,182.74
  4. Step 4: Simplify right side
    190,139.58x = 32,074,974,268.76
  5. Step 5: Solve for x
    x = 32,074,974,268.76/190,139.58
  6. Step 6: Final answer
    x = 168,691.73

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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.