Home / 235,904.80-325,527.20-140,396.08

Finding the Fourth Proportional to 235,904.80, 325,527.20 and 140,396.08

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Solution

The fourth proportional to 235,904.80, 325,527.20 and 140,396.08 is: 193,733.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,904.80 : 325,527.20 = 140,396.08 : x
  2. Step 2: Convert to fraction form
    235,904.80/325,527.20 = 140,396.08/x
  3. Step 3: Cross multiply
    235,904.80x = 325,527.20 × 140,396.08
  4. Step 4: Simplify right side
    235,904.80x = 45,702,742,813.38
  5. Step 5: Solve for x
    x = 45,702,742,813.38/235,904.80
  6. Step 6: Final answer
    x = 193,733.84

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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.