Home / 207,817.80-286,788.24-122,935.20

Finding the Fourth Proportional to 207,817.80, 286,788.24 and 122,935.20

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Solution

The fourth proportional to 207,817.80, 286,788.24 and 122,935.20 is: 169,650.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,817.80 : 286,788.24 = 122,935.20 : x
  2. Step 2: Convert to fraction form
    207,817.80/286,788.24 = 122,935.20/x
  3. Step 3: Cross multiply
    207,817.80x = 286,788.24 × 122,935.20
  4. Step 4: Simplify right side
    207,817.80x = 35,256,369,642.05
  5. Step 5: Solve for x
    x = 35,256,369,642.05/207,817.80
  6. Step 6: Final answer
    x = 169,650.38

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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.