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Finding the Fourth Proportional to 186,219.41, 256,980.40 and 101,336.47

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Solution

The fourth proportional to 186,219.41, 256,980.40 and 101,336.47 is: 139,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,219.41 : 256,980.40 = 101,336.47 : x
  2. Step 2: Convert to fraction form
    186,219.41/256,980.40 = 101,336.47/x
  3. Step 3: Cross multiply
    186,219.41x = 256,980.40 × 101,336.47
  4. Step 4: Simplify right side
    186,219.41x = 26,041,485,699.40
  5. Step 5: Solve for x
    x = 26,041,485,699.40/186,219.41
  6. Step 6: Final answer
    x = 139,843.03

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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.