Home / 294,245.12-406,066.16-166,939.84

Finding the Fourth Proportional to 294,245.12, 406,066.16 and 166,939.84

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Solution

The fourth proportional to 294,245.12, 406,066.16 and 166,939.84 is: 230,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,245.12 : 406,066.16 = 166,939.84 : x
  2. Step 2: Convert to fraction form
    294,245.12/406,066.16 = 166,939.84/x
  3. Step 3: Cross multiply
    294,245.12x = 406,066.16 × 166,939.84
  4. Step 4: Simplify right side
    294,245.12x = 67,788,619,779.81
  5. Step 5: Solve for x
    x = 67,788,619,779.81/294,245.12
  6. Step 6: Final answer
    x = 230,381.46

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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.