Home / 193,032.65-289,587.69-66,677.51

Finding the Fourth Proportional to 193,032.65, 289,587.69 and 66,677.51

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Solution

The fourth proportional to 193,032.65, 289,587.69 and 66,677.51 is: 100,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,032.65 : 289,587.69 = 66,677.51 : x
  2. Step 2: Convert to fraction form
    193,032.65/289,587.69 = 66,677.51/x
  3. Step 3: Cross multiply
    193,032.65x = 289,587.69 × 66,677.51
  4. Step 4: Simplify right side
    193,032.65x = 19,308,986,819.82
  5. Step 5: Solve for x
    x = 19,308,986,819.82/193,032.65
  6. Step 6: Final answer
    x = 100,029.64

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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.