Home / 350,828.18-484,143.58-189,683.24

Finding the Fourth Proportional to 350,828.18, 484,143.58 and 189,683.24

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Solution

The fourth proportional to 350,828.18, 484,143.58 and 189,683.24 is: 261,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,828.18 : 484,143.58 = 189,683.24 : x
  2. Step 2: Convert to fraction form
    350,828.18/484,143.58 = 189,683.24/x
  3. Step 3: Cross multiply
    350,828.18x = 484,143.58 × 189,683.24
  4. Step 4: Simplify right side
    350,828.18x = 91,833,920,695.99
  5. Step 5: Solve for x
    x = 91,833,920,695.99/350,828.18
  6. Step 6: Final answer
    x = 261,763.24

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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.