Home / 104,050.20-156,148.20-66,701.10

Finding the Fourth Proportional to 104,050.20, 156,148.20 and 66,701.10

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Solution

The fourth proportional to 104,050.20, 156,148.20 and 66,701.10 is: 100,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,050.20 : 156,148.20 = 66,701.10 : x
  2. Step 2: Convert to fraction form
    104,050.20/156,148.20 = 66,701.10/x
  3. Step 3: Cross multiply
    104,050.20x = 156,148.20 × 66,701.10
  4. Step 4: Simplify right side
    104,050.20x = 10,415,256,703.02
  5. Step 5: Solve for x
    x = 10,415,256,703.02/104,050.20
  6. Step 6: Final answer
    x = 100,098.38

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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.