Home / 325,153.32-487,608.78-111,861.58

Finding the Fourth Proportional to 325,153.32, 487,608.78 and 111,861.58

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Solution

The fourth proportional to 325,153.32, 487,608.78 and 111,861.58 is: 167,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,153.32 : 487,608.78 = 111,861.58 : x
  2. Step 2: Convert to fraction form
    325,153.32/487,608.78 = 111,861.58/x
  3. Step 3: Cross multiply
    325,153.32x = 487,608.78 × 111,861.58
  4. Step 4: Simplify right side
    325,153.32x = 54,544,688,552.67
  5. Step 5: Solve for x
    x = 54,544,688,552.67/325,153.32
  6. Step 6: Final answer
    x = 167,750.67

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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.