Home / 190,368.78-285,513.06-57,209.64

Finding the Fourth Proportional to 190,368.78, 285,513.06 and 57,209.64

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Solution

The fourth proportional to 190,368.78, 285,513.06 and 57,209.64 is: 85,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,368.78 : 285,513.06 = 57,209.64 : x
  2. Step 2: Convert to fraction form
    190,368.78/285,513.06 = 57,209.64/x
  3. Step 3: Cross multiply
    190,368.78x = 285,513.06 × 57,209.64
  4. Step 4: Simplify right side
    190,368.78x = 16,334,099,377.90
  5. Step 5: Solve for x
    x = 16,334,099,377.90/190,368.78
  6. Step 6: Final answer
    x = 85,802.41

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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.