Home / 190,685.36-286,028.12-66,026.36

Finding the Fourth Proportional to 190,685.36, 286,028.12 and 66,026.36

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Solution

The fourth proportional to 190,685.36, 286,028.12 and 66,026.36 is: 99,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,685.36 : 286,028.12 = 66,026.36 : x
  2. Step 2: Convert to fraction form
    190,685.36/286,028.12 = 66,026.36/x
  3. Step 3: Cross multiply
    190,685.36x = 286,028.12 × 66,026.36
  4. Step 4: Simplify right side
    190,685.36x = 18,885,395,621.24
  5. Step 5: Solve for x
    x = 18,885,395,621.24/190,685.36
  6. Step 6: Final answer
    x = 99,039.57

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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.