Home / 190,068.90-261,993.60-149,718.75

Finding the Fourth Proportional to 190,068.90, 261,993.60 and 149,718.75

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Solution

The fourth proportional to 190,068.90, 261,993.60 and 149,718.75 is: 206,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,068.90 : 261,993.60 = 149,718.75 : x
  2. Step 2: Convert to fraction form
    190,068.90/261,993.60 = 149,718.75/x
  3. Step 3: Cross multiply
    190,068.90x = 261,993.60 × 149,718.75
  4. Step 4: Simplify right side
    190,068.90x = 39,225,354,300
  5. Step 5: Solve for x
    x = 39,225,354,300/190,068.90
  6. Step 6: Final answer
    x = 206,374.40

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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.