Home / 209,884.02-289,646.10-114,396.90

Finding the Fourth Proportional to 209,884.02, 289,646.10 and 114,396.90

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Solution

The fourth proportional to 209,884.02, 289,646.10 and 114,396.90 is: 157,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,884.02 : 289,646.10 = 114,396.90 : x
  2. Step 2: Convert to fraction form
    209,884.02/289,646.10 = 114,396.90/x
  3. Step 3: Cross multiply
    209,884.02x = 289,646.10 × 114,396.90
  4. Step 4: Simplify right side
    209,884.02x = 33,134,615,937.09
  5. Step 5: Solve for x
    x = 33,134,615,937.09/209,884.02
  6. Step 6: Final answer
    x = 157,871.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.