Home / 207,622.85-286,519.46-112,129.56

Finding the Fourth Proportional to 207,622.85, 286,519.46 and 112,129.56

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Solution

The fourth proportional to 207,622.85, 286,519.46 and 112,129.56 is: 154,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,622.85 : 286,519.46 = 112,129.56 : x
  2. Step 2: Convert to fraction form
    207,622.85/286,519.46 = 112,129.56/x
  3. Step 3: Cross multiply
    207,622.85x = 286,519.46 × 112,129.56
  4. Step 4: Simplify right side
    207,622.85x = 32,127,300,420.59
  5. Step 5: Solve for x
    x = 32,127,300,420.59/207,622.85
  6. Step 6: Final answer
    x = 154,738.75

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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.