Home / 190,054.19-262,277.12-105,179.15

Finding the Fourth Proportional to 190,054.19, 262,277.12 and 105,179.15

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Solution

The fourth proportional to 190,054.19, 262,277.12 and 105,179.15 is: 145,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,054.19 : 262,277.12 = 105,179.15 : x
  2. Step 2: Convert to fraction form
    190,054.19/262,277.12 = 105,179.15/x
  3. Step 3: Cross multiply
    190,054.19x = 262,277.12 × 105,179.15
  4. Step 4: Simplify right side
    190,054.19x = 27,586,084,020.15
  5. Step 5: Solve for x
    x = 27,586,084,020.15/190,054.19
  6. Step 6: Final answer
    x = 145,148.52

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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.