Home / 193,515.90-290,273.85-146,276.70

Finding the Fourth Proportional to 193,515.90, 290,273.85 and 146,276.70

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Solution

The fourth proportional to 193,515.90, 290,273.85 and 146,276.70 is: 219,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,515.90 : 290,273.85 = 146,276.70 : x
  2. Step 2: Convert to fraction form
    193,515.90/290,273.85 = 146,276.70/x
  3. Step 3: Cross multiply
    193,515.90x = 290,273.85 × 146,276.70
  4. Step 4: Simplify right side
    193,515.90x = 42,460,300,874.30
  5. Step 5: Solve for x
    x = 42,460,300,874.30/193,515.90
  6. Step 6: Final answer
    x = 219,415.05

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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.