Home / 189,953.07-262,135.23-105,070.14

Finding the Fourth Proportional to 189,953.07, 262,135.23 and 105,070.14

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Solution

The fourth proportional to 189,953.07, 262,135.23 and 105,070.14 is: 144,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,953.07 : 262,135.23 = 105,070.14 : x
  2. Step 2: Convert to fraction form
    189,953.07/262,135.23 = 105,070.14/x
  3. Step 3: Cross multiply
    189,953.07x = 262,135.23 × 105,070.14
  4. Step 4: Simplify right side
    189,953.07x = 27,542,585,315.03
  5. Step 5: Solve for x
    x = 27,542,585,315.03/189,953.07
  6. Step 6: Final answer
    x = 144,996.79

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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.