Home / 190,095.30-262,304.06-105,212.16

Finding the Fourth Proportional to 190,095.30, 262,304.06 and 105,212.16

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Solution

The fourth proportional to 190,095.30, 262,304.06 and 105,212.16 is: 145,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,095.30 : 262,304.06 = 105,212.16 : x
  2. Step 2: Convert to fraction form
    190,095.30/262,304.06 = 105,212.16/x
  3. Step 3: Cross multiply
    190,095.30x = 262,304.06 × 105,212.16
  4. Step 4: Simplify right side
    190,095.30x = 27,597,576,203.31
  5. Step 5: Solve for x
    x = 27,597,576,203.31/190,095.30
  6. Step 6: Final answer
    x = 145,177.58

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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.