Home / 187,260.56-258,420.75-101,219.37

Finding the Fourth Proportional to 187,260.56, 258,420.75 and 101,219.37

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Solution

The fourth proportional to 187,260.56, 258,420.75 and 101,219.37 is: 139,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,260.56 : 258,420.75 = 101,219.37 : x
  2. Step 2: Convert to fraction form
    187,260.56/258,420.75 = 101,219.37/x
  3. Step 3: Cross multiply
    187,260.56x = 258,420.75 × 101,219.37
  4. Step 4: Simplify right side
    187,260.56x = 26,157,185,509.93
  5. Step 5: Solve for x
    x = 26,157,185,509.93/187,260.56
  6. Step 6: Final answer
    x = 139,683.37

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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.