Home / 187,621.50-258,917.67-102,741.66

Finding the Fourth Proportional to 187,621.50, 258,917.67 and 102,741.66

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Solution

The fourth proportional to 187,621.50, 258,917.67 and 102,741.66 is: 141,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,621.50 : 258,917.67 = 102,741.66 : x
  2. Step 2: Convert to fraction form
    187,621.50/258,917.67 = 102,741.66/x
  3. Step 3: Cross multiply
    187,621.50x = 258,917.67 × 102,741.66
  4. Step 4: Simplify right side
    187,621.50x = 26,601,631,219.13
  5. Step 5: Solve for x
    x = 26,601,631,219.13/187,621.50
  6. Step 6: Final answer
    x = 141,783.49

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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.