Home / 296,311.96-408,907.38-160,342.84

Finding the Fourth Proportional to 296,311.96, 408,907.38 and 160,342.84

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Solution

The fourth proportional to 296,311.96, 408,907.38 and 160,342.84 is: 221,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,311.96 : 408,907.38 = 160,342.84 : x
  2. Step 2: Convert to fraction form
    296,311.96/408,907.38 = 160,342.84/x
  3. Step 3: Cross multiply
    296,311.96x = 408,907.38 × 160,342.84
  4. Step 4: Simplify right side
    296,311.96x = 65,565,370,606.16
  5. Step 5: Solve for x
    x = 65,565,370,606.16/296,311.96
  6. Step 6: Final answer
    x = 221,271.43

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1.5x scale

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.