Home / 190,848.20-286,272.30-57,821.90

Finding the Fourth Proportional to 190,848.20, 286,272.30 and 57,821.90

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Solution

The fourth proportional to 190,848.20, 286,272.30 and 57,821.90 is: 86,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,848.20 : 286,272.30 = 57,821.90 : x
  2. Step 2: Convert to fraction form
    190,848.20/286,272.30 = 57,821.90/x
  3. Step 3: Cross multiply
    190,848.20x = 286,272.30 × 57,821.90
  4. Step 4: Simplify right side
    190,848.20x = 16,552,808,303.37
  5. Step 5: Solve for x
    x = 16,552,808,303.37/190,848.20
  6. Step 6: Final answer
    x = 86,732.85

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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.