Home / 268,163.46-370,068-147,307.20

Finding the Fourth Proportional to 268,163.46, 370,068 and 147,307.20

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Solution

The fourth proportional to 268,163.46, 370,068 and 147,307.20 is: 203,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,163.46 : 370,068 = 147,307.20 : x
  2. Step 2: Convert to fraction form
    268,163.46/370,068 = 147,307.20/x
  3. Step 3: Cross multiply
    268,163.46x = 370,068 × 147,307.20
  4. Step 4: Simplify right side
    268,163.46x = 54,513,680,889.60
  5. Step 5: Solve for x
    x = 54,513,680,889.60/268,163.46
  6. Step 6: Final answer
    x = 203,285.27

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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.