Home / 104,426.52-156,430.64-48,190.55

Finding the Fourth Proportional to 104,426.52, 156,430.64 and 48,190.55

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Solution

The fourth proportional to 104,426.52, 156,430.64 and 48,190.55 is: 72,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.52 : 156,430.64 = 48,190.55 : x
  2. Step 2: Convert to fraction form
    104,426.52/156,430.64 = 48,190.55/x
  3. Step 3: Cross multiply
    104,426.52x = 156,430.64 × 48,190.55
  4. Step 4: Simplify right side
    104,426.52x = 7,538,477,916.78
  5. Step 5: Solve for x
    x = 7,538,477,916.78/104,426.52
  6. Step 6: Final answer
    x = 72,189.31

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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.