Home / 190,690.21-286,081.56-57,562.52

Finding the Fourth Proportional to 190,690.21, 286,081.56 and 57,562.52

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Solution

The fourth proportional to 190,690.21, 286,081.56 and 57,562.52 is: 86,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,690.21 : 286,081.56 = 57,562.52 : x
  2. Step 2: Convert to fraction form
    190,690.21/286,081.56 = 57,562.52/x
  3. Step 3: Cross multiply
    190,690.21x = 286,081.56 × 57,562.52
  4. Step 4: Simplify right side
    190,690.21x = 16,467,574,088.72
  5. Step 5: Solve for x
    x = 16,467,574,088.72/190,690.21
  6. Step 6: Final answer
    x = 86,357.73

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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.