Home / 147,635.02-221,119.59-68,582.89

Finding the Fourth Proportional to 147,635.02, 221,119.59 and 68,582.89

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Solution

The fourth proportional to 147,635.02, 221,119.59 and 68,582.89 is: 102,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,635.02 : 221,119.59 = 68,582.89 : x
  2. Step 2: Convert to fraction form
    147,635.02/221,119.59 = 68,582.89/x
  3. Step 3: Cross multiply
    147,635.02x = 221,119.59 × 68,582.89
  4. Step 4: Simplify right side
    147,635.02x = 15,165,020,517.82
  5. Step 5: Solve for x
    x = 15,165,020,517.82/147,635.02
  6. Step 6: Final answer
    x = 102,719.67

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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.