Home / 125,199.12-187,670.52-55,065.36

Finding the Fourth Proportional to 125,199.12, 187,670.52 and 55,065.36

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Solution

The fourth proportional to 125,199.12, 187,670.52 and 55,065.36 is: 82,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,199.12 : 187,670.52 = 55,065.36 : x
  2. Step 2: Convert to fraction form
    125,199.12/187,670.52 = 55,065.36/x
  3. Step 3: Cross multiply
    125,199.12x = 187,670.52 × 55,065.36
  4. Step 4: Simplify right side
    125,199.12x = 10,334,144,745.19
  5. Step 5: Solve for x
    x = 10,334,144,745.19/125,199.12
  6. Step 6: Final answer
    x = 82,541.67

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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.