Home / 120,593.04-180,011.24-111,699.24

Finding the Fourth Proportional to 120,593.04, 180,011.24 and 111,699.24

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Solution

The fourth proportional to 120,593.04, 180,011.24 and 111,699.24 is: 166,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,593.04 : 180,011.24 = 111,699.24 : x
  2. Step 2: Convert to fraction form
    120,593.04/180,011.24 = 111,699.24/x
  3. Step 3: Cross multiply
    120,593.04x = 180,011.24 × 111,699.24
  4. Step 4: Simplify right side
    120,593.04x = 20,107,118,140.96
  5. Step 5: Solve for x
    x = 20,107,118,140.96/120,593.04
  6. Step 6: Final answer
    x = 166,735.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.