Home / 190,906.10-286,359.15-112,174.10

Finding the Fourth Proportional to 190,906.10, 286,359.15 and 112,174.10

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Solution

The fourth proportional to 190,906.10, 286,359.15 and 112,174.10 is: 168,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,906.10 : 286,359.15 = 112,174.10 : x
  2. Step 2: Convert to fraction form
    190,906.10/286,359.15 = 112,174.10/x
  3. Step 3: Cross multiply
    190,906.10x = 286,359.15 × 112,174.10
  4. Step 4: Simplify right side
    190,906.10x = 32,122,079,928.02
  5. Step 5: Solve for x
    x = 32,122,079,928.02/190,906.10
  6. Step 6: Final answer
    x = 168,261.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.