Home / 190,840.05-286,391.25-66,181.05

Finding the Fourth Proportional to 190,840.05, 286,391.25 and 66,181.05

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Solution

The fourth proportional to 190,840.05, 286,391.25 and 66,181.05 is: 99,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,840.05 : 286,391.25 = 66,181.05 : x
  2. Step 2: Convert to fraction form
    190,840.05/286,391.25 = 66,181.05/x
  3. Step 3: Cross multiply
    190,840.05x = 286,391.25 × 66,181.05
  4. Step 4: Simplify right side
    190,840.05x = 18,953,673,635.81
  5. Step 5: Solve for x
    x = 18,953,673,635.81/190,840.05
  6. Step 6: Final answer
    x = 99,317.06

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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.