Home / 325,290.10-448,947.47-187,442.21

Finding the Fourth Proportional to 325,290.10, 448,947.47 and 187,442.21

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Solution

The fourth proportional to 325,290.10, 448,947.47 and 187,442.21 is: 258,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,290.10 : 448,947.47 = 187,442.21 : x
  2. Step 2: Convert to fraction form
    325,290.10/448,947.47 = 187,442.21/x
  3. Step 3: Cross multiply
    325,290.10x = 448,947.47 × 187,442.21
  4. Step 4: Simplify right side
    325,290.10x = 84,151,703,705.97
  5. Step 5: Solve for x
    x = 84,151,703,705.97/325,290.10
  6. Step 6: Final answer
    x = 258,697.41

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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.