Home / 326,152.50-450,091.26-190,279.86

Finding the Fourth Proportional to 326,152.50, 450,091.26 and 190,279.86

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Solution

The fourth proportional to 326,152.50, 450,091.26 and 190,279.86 is: 262,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,152.50 : 450,091.26 = 190,279.86 : x
  2. Step 2: Convert to fraction form
    326,152.50/450,091.26 = 190,279.86/x
  3. Step 3: Cross multiply
    326,152.50x = 450,091.26 × 190,279.86
  4. Step 4: Simplify right side
    326,152.50x = 85,643,301,940.02
  5. Step 5: Solve for x
    x = 85,643,301,940.02/326,152.50
  6. Step 6: Final answer
    x = 262,586.68

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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.