Home / 190,317.48-285,490.94-57,187.24

Finding the Fourth Proportional to 190,317.48, 285,490.94 and 57,187.24

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Solution

The fourth proportional to 190,317.48, 285,490.94 and 57,187.24 is: 85,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,317.48 : 285,490.94 = 57,187.24 : x
  2. Step 2: Convert to fraction form
    190,317.48/285,490.94 = 57,187.24/x
  3. Step 3: Cross multiply
    190,317.48x = 285,490.94 × 57,187.24
  4. Step 4: Simplify right side
    190,317.48x = 16,326,438,903.61
  5. Step 5: Solve for x
    x = 16,326,438,903.61/190,317.48
  6. Step 6: Final answer
    x = 85,785.28

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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.