Home / 209,419.02-314,024.75-74,462.84

Finding the Fourth Proportional to 209,419.02, 314,024.75 and 74,462.84

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Solution

The fourth proportional to 209,419.02, 314,024.75 and 74,462.84 is: 111,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,419.02 : 314,024.75 = 74,462.84 : x
  2. Step 2: Convert to fraction form
    209,419.02/314,024.75 = 74,462.84/x
  3. Step 3: Cross multiply
    209,419.02x = 314,024.75 × 74,462.84
  4. Step 4: Simplify right side
    209,419.02x = 23,383,175,996.07
  5. Step 5: Solve for x
    x = 23,383,175,996.07/209,419.02
  6. Step 6: Final answer
    x = 111,657.37

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1.5x scale

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.