Home / 190,888.82-286,206.85-91,064.42

Finding the Fourth Proportional to 190,888.82, 286,206.85 and 91,064.42

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Solution

The fourth proportional to 190,888.82, 286,206.85 and 91,064.42 is: 136,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,888.82 : 286,206.85 = 91,064.42 : x
  2. Step 2: Convert to fraction form
    190,888.82/286,206.85 = 91,064.42/x
  3. Step 3: Cross multiply
    190,888.82x = 286,206.85 × 91,064.42
  4. Step 4: Simplify right side
    190,888.82x = 26,063,258,908.92
  5. Step 5: Solve for x
    x = 26,063,258,908.92/190,888.82
  6. Step 6: Final answer
    x = 136,536.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.