Home / 187,215.51-258,327.23-106,644.60

Finding the Fourth Proportional to 187,215.51, 258,327.23 and 106,644.60

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Solution

The fourth proportional to 187,215.51, 258,327.23 and 106,644.60 is: 147,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,215.51 : 258,327.23 = 106,644.60 : x
  2. Step 2: Convert to fraction form
    187,215.51/258,327.23 = 106,644.60/x
  3. Step 3: Cross multiply
    187,215.51x = 258,327.23 × 106,644.60
  4. Step 4: Simplify right side
    187,215.51x = 27,549,203,579.24
  5. Step 5: Solve for x
    x = 27,549,203,579.24/187,215.51
  6. Step 6: Final answer
    x = 147,152.36

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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.