Home / 209,552.25-314,109.56-97,139.78

Finding the Fourth Proportional to 209,552.25, 314,109.56 and 97,139.78

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Solution

The fourth proportional to 209,552.25, 314,109.56 and 97,139.78 is: 145,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,552.25 : 314,109.56 = 97,139.78 : x
  2. Step 2: Convert to fraction form
    209,552.25/314,109.56 = 97,139.78/x
  3. Step 3: Cross multiply
    209,552.25x = 314,109.56 × 97,139.78
  4. Step 4: Simplify right side
    209,552.25x = 30,512,532,226.60
  5. Step 5: Solve for x
    x = 30,512,532,226.60/209,552.25
  6. Step 6: Final answer
    x = 145,608.23

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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.