Home / 207,632.86-286,533.24-112,139.56

Finding the Fourth Proportional to 207,632.86, 286,533.24 and 112,139.56

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Solution

The fourth proportional to 207,632.86, 286,533.24 and 112,139.56 is: 154,752.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,632.86 : 286,533.24 = 112,139.56 : x
  2. Step 2: Convert to fraction form
    207,632.86/286,533.24 = 112,139.56/x
  3. Step 3: Cross multiply
    207,632.86x = 286,533.24 × 112,139.56
  4. Step 4: Simplify right side
    207,632.86x = 32,131,711,458.97
  5. Step 5: Solve for x
    x = 32,131,711,458.97/207,632.86
  6. Step 6: Final answer
    x = 154,752.54

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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.