Home / 235,926.12-353,421-111,354.60

Finding the Fourth Proportional to 235,926.12, 353,421 and 111,354.60

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Solution

The fourth proportional to 235,926.12, 353,421 and 111,354.60 is: 166,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,926.12 : 353,421 = 111,354.60 : x
  2. Step 2: Convert to fraction form
    235,926.12/353,421 = 111,354.60/x
  3. Step 3: Cross multiply
    235,926.12x = 353,421 × 111,354.60
  4. Step 4: Simplify right side
    235,926.12x = 39,355,054,086.60
  5. Step 5: Solve for x
    x = 39,355,054,086.60/235,926.12
  6. Step 6: Final answer
    x = 166,810.92

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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.