Home / 207,961.01-286,986.20-112,467.68

Finding the Fourth Proportional to 207,961.01, 286,986.20 and 112,467.68

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Solution

The fourth proportional to 207,961.01, 286,986.20 and 112,467.68 is: 155,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,961.01 : 286,986.20 = 112,467.68 : x
  2. Step 2: Convert to fraction form
    207,961.01/286,986.20 = 112,467.68/x
  3. Step 3: Cross multiply
    207,961.01x = 286,986.20 × 112,467.68
  4. Step 4: Simplify right side
    207,961.01x = 32,276,672,106.02
  5. Step 5: Solve for x
    x = 32,276,672,106.02/207,961.01
  6. Step 6: Final answer
    x = 155,205.40

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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.