Home / 207,623.82-286,520.82-112,130.52

Finding the Fourth Proportional to 207,623.82, 286,520.82 and 112,130.52

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Solution

The fourth proportional to 207,623.82, 286,520.82 and 112,130.52 is: 154,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,623.82 : 286,520.82 = 112,130.52 : x
  2. Step 2: Convert to fraction form
    207,623.82/286,520.82 = 112,130.52/x
  3. Step 3: Cross multiply
    207,623.82x = 286,520.82 × 112,130.52
  4. Step 4: Simplify right side
    207,623.82x = 32,127,728,537.43
  5. Step 5: Solve for x
    x = 32,127,728,537.43/207,623.82
  6. Step 6: Final answer
    x = 154,740.09

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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.