Home / 104,430.66-156,435.30-48,192.64

Finding the Fourth Proportional to 104,430.66, 156,435.30 and 48,192.64

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Solution

The fourth proportional to 104,430.66, 156,435.30 and 48,192.64 is: 72,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.66 : 156,435.30 = 48,192.64 : x
  2. Step 2: Convert to fraction form
    104,430.66/156,435.30 = 48,192.64/x
  3. Step 3: Cross multiply
    104,430.66x = 156,435.30 × 48,192.64
  4. Step 4: Simplify right side
    104,430.66x = 7,539,030,096.19
  5. Step 5: Solve for x
    x = 7,539,030,096.19/104,430.66
  6. Step 6: Final answer
    x = 72,191.73

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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.