Home / 186,942.56-257,973.46-102,060.32

Finding the Fourth Proportional to 186,942.56, 257,973.46 and 102,060.32

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Solution

The fourth proportional to 186,942.56, 257,973.46 and 102,060.32 is: 140,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,942.56 : 257,973.46 = 102,060.32 : x
  2. Step 2: Convert to fraction form
    186,942.56/257,973.46 = 102,060.32/x
  3. Step 3: Cross multiply
    186,942.56x = 257,973.46 × 102,060.32
  4. Step 4: Simplify right side
    186,942.56x = 26,328,853,879.11
  5. Step 5: Solve for x
    x = 26,328,853,879.11/186,942.56
  6. Step 6: Final answer
    x = 140,839.27

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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.