Home / 190,141.13-262,394.82-105,258.19

Finding the Fourth Proportional to 190,141.13, 262,394.82 and 105,258.19

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Solution

The fourth proportional to 190,141.13, 262,394.82 and 105,258.19 is: 145,256.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,141.13 : 262,394.82 = 105,258.19 : x
  2. Step 2: Convert to fraction form
    190,141.13/262,394.82 = 105,258.19/x
  3. Step 3: Cross multiply
    190,141.13x = 262,394.82 × 105,258.19
  4. Step 4: Simplify right side
    190,141.13x = 27,619,203,818.58
  5. Step 5: Solve for x
    x = 27,619,203,818.58/190,141.13
  6. Step 6: Final answer
    x = 145,256.34

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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.