Home / 190,141.92-262,573.65-122,276.75

Finding the Fourth Proportional to 190,141.92, 262,573.65 and 122,276.75

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Solution

The fourth proportional to 190,141.92, 262,573.65 and 122,276.75 is: 168,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,141.92 : 262,573.65 = 122,276.75 : x
  2. Step 2: Convert to fraction form
    190,141.92/262,573.65 = 122,276.75/x
  3. Step 3: Cross multiply
    190,141.92x = 262,573.65 × 122,276.75
  4. Step 4: Simplify right side
    190,141.92x = 32,106,651,244.77
  5. Step 5: Solve for x
    x = 32,106,651,244.77/190,141.92
  6. Step 6: Final answer
    x = 168,856.25

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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.