Home / 190,025.68-262,390.44-122,076.40

Finding the Fourth Proportional to 190,025.68, 262,390.44 and 122,076.40

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Solution

The fourth proportional to 190,025.68, 262,390.44 and 122,076.40 is: 168,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,025.68 : 262,390.44 = 122,076.40 : x
  2. Step 2: Convert to fraction form
    190,025.68/262,390.44 = 122,076.40/x
  3. Step 3: Cross multiply
    190,025.68x = 262,390.44 × 122,076.40
  4. Step 4: Simplify right side
    190,025.68x = 32,031,680,309.62
  5. Step 5: Solve for x
    x = 32,031,680,309.62/190,025.68
  6. Step 6: Final answer
    x = 168,565.01

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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.