Home / 207,704.55-286,632.54-112,211.25

Finding the Fourth Proportional to 207,704.55, 286,632.54 and 112,211.25

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Solution

The fourth proportional to 207,704.55, 286,632.54 and 112,211.25 is: 154,851.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,704.55 : 286,632.54 = 112,211.25 : x
  2. Step 2: Convert to fraction form
    207,704.55/286,632.54 = 112,211.25/x
  3. Step 3: Cross multiply
    207,704.55x = 286,632.54 × 112,211.25
  4. Step 4: Simplify right side
    207,704.55x = 32,163,395,604.08
  5. Step 5: Solve for x
    x = 32,163,395,604.08/207,704.55
  6. Step 6: Final answer
    x = 154,851.67

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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.