Home / 186,905.05-257,928.90-102,022.11

Finding the Fourth Proportional to 186,905.05, 257,928.90 and 102,022.11

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Solution

The fourth proportional to 186,905.05, 257,928.90 and 102,022.11 is: 140,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,905.05 : 257,928.90 = 102,022.11 : x
  2. Step 2: Convert to fraction form
    186,905.05/257,928.90 = 102,022.11/x
  3. Step 3: Cross multiply
    186,905.05x = 257,928.90 × 102,022.11
  4. Step 4: Simplify right side
    186,905.05x = 26,314,450,607.98
  5. Step 5: Solve for x
    x = 26,314,450,607.98/186,905.05
  6. Step 6: Final answer
    x = 140,790.47

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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.