Home / 671,386.50-1,007,069.81-165,947.54

Finding the Fourth Proportional to 671,386.50, 1,007,069.81 and 165,947.54

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Solution

The fourth proportional to 671,386.50, 1,007,069.81 and 165,947.54 is: 248,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,386.50 : 1,007,069.81 = 165,947.54 : x
  2. Step 2: Convert to fraction form
    671,386.50/1,007,069.81 = 165,947.54/x
  3. Step 3: Cross multiply
    671,386.50x = 1,007,069.81 × 165,947.54
  4. Step 4: Simplify right side
    671,386.50x = 167,120,751,712.68
  5. Step 5: Solve for x
    x = 167,120,751,712.68/671,386.50
  6. Step 6: Final answer
    x = 248,918.84

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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.