Home / 247,172.02-370,868.80-113,980.89

Finding the Fourth Proportional to 247,172.02, 370,868.80 and 113,980.89

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Solution

The fourth proportional to 247,172.02, 370,868.80 and 113,980.89 is: 171,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,172.02 : 370,868.80 = 113,980.89 : x
  2. Step 2: Convert to fraction form
    247,172.02/370,868.80 = 113,980.89/x
  3. Step 3: Cross multiply
    247,172.02x = 370,868.80 × 113,980.89
  4. Step 4: Simplify right side
    247,172.02x = 42,271,954,648.95
  5. Step 5: Solve for x
    x = 42,271,954,648.95/247,172.02
  6. Step 6: Final answer
    x = 171,022.41

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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.