Home / 189,824.08-261,944.40-104,929.60

Finding the Fourth Proportional to 189,824.08, 261,944.40 and 104,929.60

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Solution

The fourth proportional to 189,824.08, 261,944.40 and 104,929.60 is: 144,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,824.08 : 261,944.40 = 104,929.60 : x
  2. Step 2: Convert to fraction form
    189,824.08/261,944.40 = 104,929.60/x
  3. Step 3: Cross multiply
    189,824.08x = 261,944.40 × 104,929.60
  4. Step 4: Simplify right side
    189,824.08x = 27,485,721,114.24
  5. Step 5: Solve for x
    x = 27,485,721,114.24/189,824.08
  6. Step 6: Final answer
    x = 144,795.76

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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.