Home / 189,799.52-261,913.11-104,911.52

Finding the Fourth Proportional to 189,799.52, 261,913.11 and 104,911.52

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Solution

The fourth proportional to 189,799.52, 261,913.11 and 104,911.52 is: 144,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,799.52 : 261,913.11 = 104,911.52 : x
  2. Step 2: Convert to fraction form
    189,799.52/261,913.11 = 104,911.52/x
  3. Step 3: Cross multiply
    189,799.52x = 261,913.11 × 104,911.52
  4. Step 4: Simplify right side
    189,799.52x = 27,477,702,478.03
  5. Step 5: Solve for x
    x = 27,477,702,478.03/189,799.52
  6. Step 6: Final answer
    x = 144,772.24

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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.