Home / 189,263.52-261,174.24-104,378.40

Finding the Fourth Proportional to 189,263.52, 261,174.24 and 104,378.40

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Solution

The fourth proportional to 189,263.52, 261,174.24 and 104,378.40 is: 144,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,263.52 : 261,174.24 = 104,378.40 : x
  2. Step 2: Convert to fraction form
    189,263.52/261,174.24 = 104,378.40/x
  3. Step 3: Cross multiply
    189,263.52x = 261,174.24 × 104,378.40
  4. Step 4: Simplify right side
    189,263.52x = 27,260,949,292.42
  5. Step 5: Solve for x
    x = 27,260,949,292.42/189,263.52
  6. Step 6: Final answer
    x = 144,037.00

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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.