Home / 120,164.24-180,289.20-53,598.40

Finding the Fourth Proportional to 120,164.24, 180,289.20 and 53,598.40

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Solution

The fourth proportional to 120,164.24, 180,289.20 and 53,598.40 is: 80,416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,164.24 : 180,289.20 = 53,598.40 : x
  2. Step 2: Convert to fraction form
    120,164.24/180,289.20 = 53,598.40/x
  3. Step 3: Cross multiply
    120,164.24x = 180,289.20 × 53,598.40
  4. Step 4: Simplify right side
    120,164.24x = 9,663,212,657.28
  5. Step 5: Solve for x
    x = 9,663,212,657.28/120,164.24
  6. Step 6: Final answer
    x = 80,416.71

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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.