Home / 189,800.04-261,913.80-104,912.04

Finding the Fourth Proportional to 189,800.04, 261,913.80 and 104,912.04

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Solution

The fourth proportional to 189,800.04, 261,913.80 and 104,912.04 is: 144,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,800.04 : 261,913.80 = 104,912.04 : x
  2. Step 2: Convert to fraction form
    189,800.04/261,913.80 = 104,912.04/x
  3. Step 3: Cross multiply
    189,800.04x = 261,913.80 × 104,912.04
  4. Step 4: Simplify right side
    189,800.04x = 27,477,911,062.15
  5. Step 5: Solve for x
    x = 27,477,911,062.15/189,800.04
  6. Step 6: Final answer
    x = 144,772.95

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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.