Home / 190,674.54-286,087.05-72,377.28

Finding the Fourth Proportional to 190,674.54, 286,087.05 and 72,377.28

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Solution

The fourth proportional to 190,674.54, 286,087.05 and 72,377.28 is: 108,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,674.54 : 286,087.05 = 72,377.28 : x
  2. Step 2: Convert to fraction form
    190,674.54/286,087.05 = 72,377.28/x
  3. Step 3: Cross multiply
    190,674.54x = 286,087.05 × 72,377.28
  4. Step 4: Simplify right side
    190,674.54x = 20,706,202,522.22
  5. Step 5: Solve for x
    x = 20,706,202,522.22/190,674.54
  6. Step 6: Final answer
    x = 108,594.48

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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.