Home / 187,258.20-258,343.70-119,262.98

Finding the Fourth Proportional to 187,258.20, 258,343.70 and 119,262.98

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Solution

The fourth proportional to 187,258.20, 258,343.70 and 119,262.98 is: 164,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,258.20 : 258,343.70 = 119,262.98 : x
  2. Step 2: Convert to fraction form
    187,258.20/258,343.70 = 119,262.98/x
  3. Step 3: Cross multiply
    187,258.20x = 258,343.70 × 119,262.98
  4. Step 4: Simplify right side
    187,258.20x = 30,810,839,575.77
  5. Step 5: Solve for x
    x = 30,810,839,575.77/187,258.20
  6. Step 6: Final answer
    x = 164,536.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.