Home / 342,693.12-472,890.24-191,769.60

Finding the Fourth Proportional to 342,693.12, 472,890.24 and 191,769.60

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Solution

The fourth proportional to 342,693.12, 472,890.24 and 191,769.60 is: 264,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,693.12 : 472,890.24 = 191,769.60 : x
  2. Step 2: Convert to fraction form
    342,693.12/472,890.24 = 191,769.60/x
  3. Step 3: Cross multiply
    342,693.12x = 472,890.24 × 191,769.60
  4. Step 4: Simplify right side
    342,693.12x = 90,685,972,168.70
  5. Step 5: Solve for x
    x = 90,685,972,168.70/342,693.12
  6. Step 6: Final answer
    x = 264,627.35

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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.