Home / 190,079.53-262,206.28-122,107.20

Finding the Fourth Proportional to 190,079.53, 262,206.28 and 122,107.20

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Solution

The fourth proportional to 190,079.53, 262,206.28 and 122,107.20 is: 168,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,079.53 : 262,206.28 = 122,107.20 : x
  2. Step 2: Convert to fraction form
    190,079.53/262,206.28 = 122,107.20/x
  3. Step 3: Cross multiply
    190,079.53x = 262,206.28 × 122,107.20
  4. Step 4: Simplify right side
    190,079.53x = 32,017,274,673.22
  5. Step 5: Solve for x
    x = 32,017,274,673.22/190,079.53
  6. Step 6: Final answer
    x = 168,441.47

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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.