Home / 190,845.40-286,268.10-167,517.40

Finding the Fourth Proportional to 190,845.40, 286,268.10 and 167,517.40

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Solution

The fourth proportional to 190,845.40, 286,268.10 and 167,517.40 is: 251,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,845.40 : 286,268.10 = 167,517.40 : x
  2. Step 2: Convert to fraction form
    190,845.40/286,268.10 = 167,517.40/x
  3. Step 3: Cross multiply
    190,845.40x = 286,268.10 × 167,517.40
  4. Step 4: Simplify right side
    190,845.40x = 47,954,887,814.94
  5. Step 5: Solve for x
    x = 47,954,887,814.94/190,845.40
  6. Step 6: Final answer
    x = 251,276.10

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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.