Home / 190,078.53-262,204.91-122,106.20

Finding the Fourth Proportional to 190,078.53, 262,204.91 and 122,106.20

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Solution

The fourth proportional to 190,078.53, 262,204.91 and 122,106.20 is: 168,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,078.53 : 262,204.91 = 122,106.20 : x
  2. Step 2: Convert to fraction form
    190,078.53/262,204.91 = 122,106.20/x
  3. Step 3: Cross multiply
    190,078.53x = 262,204.91 × 122,106.20
  4. Step 4: Simplify right side
    190,078.53x = 32,016,843,259.89
  5. Step 5: Solve for x
    x = 32,016,843,259.89/190,078.53
  6. Step 6: Final answer
    x = 168,440.08

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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.