Home / 209,583.45-289,226.51-114,090.12

Finding the Fourth Proportional to 209,583.45, 289,226.51 and 114,090.12

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Solution

The fourth proportional to 209,583.45, 289,226.51 and 114,090.12 is: 157,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,583.45 : 289,226.51 = 114,090.12 : x
  2. Step 2: Convert to fraction form
    209,583.45/289,226.51 = 114,090.12/x
  3. Step 3: Cross multiply
    209,583.45x = 289,226.51 × 114,090.12
  4. Step 4: Simplify right side
    209,583.45x = 32,997,887,233.08
  5. Step 5: Solve for x
    x = 32,997,887,233.08/209,583.45
  6. Step 6: Final answer
    x = 157,445.10

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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.