Home / 158,153.21-236,967.37-111,307.67

Finding the Fourth Proportional to 158,153.21, 236,967.37 and 111,307.67

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Solution

The fourth proportional to 158,153.21, 236,967.37 and 111,307.67 is: 166,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,153.21 : 236,967.37 = 111,307.67 : x
  2. Step 2: Convert to fraction form
    158,153.21/236,967.37 = 111,307.67/x
  3. Step 3: Cross multiply
    158,153.21x = 236,967.37 × 111,307.67
  4. Step 4: Simplify right side
    158,153.21x = 26,376,286,134.88
  5. Step 5: Solve for x
    x = 26,376,286,134.88/158,153.21
  6. Step 6: Final answer
    x = 166,776.80

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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.