Home / 191,012.60-263,515.74-119,343.80

Finding the Fourth Proportional to 191,012.60, 263,515.74 and 119,343.80

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Solution

The fourth proportional to 191,012.60, 263,515.74 and 119,343.80 is: 164,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,012.60 : 263,515.74 = 119,343.80 : x
  2. Step 2: Convert to fraction form
    191,012.60/263,515.74 = 119,343.80/x
  3. Step 3: Cross multiply
    191,012.60x = 263,515.74 × 119,343.80
  4. Step 4: Simplify right side
    191,012.60x = 31,448,969,771.41
  5. Step 5: Solve for x
    x = 31,448,969,771.41/191,012.60
  6. Step 6: Final answer
    x = 164,643.43

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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.