Home / 190,951.75-286,427.63-66,292.75

Finding the Fourth Proportional to 190,951.75, 286,427.63 and 66,292.75

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Solution

The fourth proportional to 190,951.75, 286,427.63 and 66,292.75 is: 99,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,951.75 : 286,427.63 = 66,292.75 : x
  2. Step 2: Convert to fraction form
    190,951.75/286,427.63 = 66,292.75/x
  3. Step 3: Cross multiply
    190,951.75x = 286,427.63 × 66,292.75
  4. Step 4: Simplify right side
    190,951.75x = 18,988,075,268.68
  5. Step 5: Solve for x
    x = 18,988,075,268.68/190,951.75
  6. Step 6: Final answer
    x = 99,439.13

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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.