Home / 189,510.84-261,518.22-104,627.70

Finding the Fourth Proportional to 189,510.84, 261,518.22 and 104,627.70

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Solution

The fourth proportional to 189,510.84, 261,518.22 and 104,627.70 is: 144,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,510.84 : 261,518.22 = 104,627.70 : x
  2. Step 2: Convert to fraction form
    189,510.84/261,518.22 = 104,627.70/x
  3. Step 3: Cross multiply
    189,510.84x = 261,518.22 × 104,627.70
  4. Step 4: Simplify right side
    189,510.84x = 27,362,049,866.69
  5. Step 5: Solve for x
    x = 27,362,049,866.69/189,510.84
  6. Step 6: Final answer
    x = 144,382.51

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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.