Home / 104,323.04-156,433.53-72,748.23

Finding the Fourth Proportional to 104,323.04, 156,433.53 and 72,748.23

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Solution

The fourth proportional to 104,323.04, 156,433.53 and 72,748.23 is: 109,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,323.04 : 156,433.53 = 72,748.23 : x
  2. Step 2: Convert to fraction form
    104,323.04/156,433.53 = 72,748.23/x
  3. Step 3: Cross multiply
    104,323.04x = 156,433.53 × 72,748.23
  4. Step 4: Simplify right side
    104,323.04x = 11,380,261,697.12
  5. Step 5: Solve for x
    x = 11,380,261,697.12/104,323.04
  6. Step 6: Final answer
    x = 109,086.75

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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.