Home / 141,259.32-194,511.60-122,105.16

Finding the Fourth Proportional to 141,259.32, 194,511.60 and 122,105.16

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Solution

The fourth proportional to 141,259.32, 194,511.60 and 122,105.16 is: 168,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,259.32 : 194,511.60 = 122,105.16 : x
  2. Step 2: Convert to fraction form
    141,259.32/194,511.60 = 122,105.16/x
  3. Step 3: Cross multiply
    141,259.32x = 194,511.60 × 122,105.16
  4. Step 4: Simplify right side
    141,259.32x = 23,750,870,039.86
  5. Step 5: Solve for x
    x = 23,750,870,039.86/141,259.32
  6. Step 6: Final answer
    x = 168,136.66

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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.