Home / 187,140.96-258,260.90-102,263.49

Finding the Fourth Proportional to 187,140.96, 258,260.90 and 102,263.49

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Solution

The fourth proportional to 187,140.96, 258,260.90 and 102,263.49 is: 141,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,140.96 : 258,260.90 = 102,263.49 : x
  2. Step 2: Convert to fraction form
    187,140.96/258,260.90 = 102,263.49/x
  3. Step 3: Cross multiply
    187,140.96x = 258,260.90 × 102,263.49
  4. Step 4: Simplify right side
    187,140.96x = 26,410,660,453.22
  5. Step 5: Solve for x
    x = 26,410,660,453.22/187,140.96
  6. Step 6: Final answer
    x = 141,127.10

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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.