Home / 270,870.12-406,235.93-111,058.74

Finding the Fourth Proportional to 270,870.12, 406,235.93 and 111,058.74

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Solution

The fourth proportional to 270,870.12, 406,235.93 and 111,058.74 is: 166,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,870.12 : 406,235.93 = 111,058.74 : x
  2. Step 2: Convert to fraction form
    270,870.12/406,235.93 = 111,058.74/x
  3. Step 3: Cross multiply
    270,870.12x = 406,235.93 × 111,058.74
  4. Step 4: Simplify right side
    270,870.12x = 45,116,049,973.23
  5. Step 5: Solve for x
    x = 45,116,049,973.23/270,870.12
  6. Step 6: Final answer
    x = 166,559.71

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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.