Home / 112,519.36-168,631.39-82,798.03

Finding the Fourth Proportional to 112,519.36, 168,631.39 and 82,798.03

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Solution

The fourth proportional to 112,519.36, 168,631.39 and 82,798.03 is: 124,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,519.36 : 168,631.39 = 82,798.03 : x
  2. Step 2: Convert to fraction form
    112,519.36/168,631.39 = 82,798.03/x
  3. Step 3: Cross multiply
    112,519.36x = 168,631.39 × 82,798.03
  4. Step 4: Simplify right side
    112,519.36x = 13,962,346,888.16
  5. Step 5: Solve for x
    x = 13,962,346,888.16/112,519.36
  6. Step 6: Final answer
    x = 124,088.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.