Home / 147,900.90-221,851.35-122,969.10

Finding the Fourth Proportional to 147,900.90, 221,851.35 and 122,969.10

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Solution

The fourth proportional to 147,900.90, 221,851.35 and 122,969.10 is: 184,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,900.90 : 221,851.35 = 122,969.10 : x
  2. Step 2: Convert to fraction form
    147,900.90/221,851.35 = 122,969.10/x
  3. Step 3: Cross multiply
    147,900.90x = 221,851.35 × 122,969.10
  4. Step 4: Simplify right side
    147,900.90x = 27,280,860,843.29
  5. Step 5: Solve for x
    x = 27,280,860,843.29/147,900.90
  6. Step 6: Final answer
    x = 184,453.65

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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.