Home / 111,640.37-154,063.04-60,652.67

Finding the Fourth Proportional to 111,640.37, 154,063.04 and 60,652.67

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Solution

The fourth proportional to 111,640.37, 154,063.04 and 60,652.67 is: 83,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,640.37 : 154,063.04 = 60,652.67 : x
  2. Step 2: Convert to fraction form
    111,640.37/154,063.04 = 60,652.67/x
  3. Step 3: Cross multiply
    111,640.37x = 154,063.04 × 60,652.67
  4. Step 4: Simplify right side
    111,640.37x = 9,344,333,650.74
  5. Step 5: Solve for x
    x = 9,344,333,650.74/111,640.37
  6. Step 6: Final answer
    x = 83,700.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.