Home / 190,914.14-286,433.42-91,061.34

Finding the Fourth Proportional to 190,914.14, 286,433.42 and 91,061.34

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Solution

The fourth proportional to 190,914.14, 286,433.42 and 91,061.34 is: 136,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,914.14 : 286,433.42 = 91,061.34 : x
  2. Step 2: Convert to fraction form
    190,914.14/286,433.42 = 91,061.34/x
  3. Step 3: Cross multiply
    190,914.14x = 286,433.42 × 91,061.34
  4. Step 4: Simplify right side
    190,914.14x = 26,083,010,322.14
  5. Step 5: Solve for x
    x = 26,083,010,322.14/190,914.14
  6. Step 6: Final answer
    x = 136,621.68

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1.5x scale

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.