Home / 186,467.54-257,316.25-105,884.42

Finding the Fourth Proportional to 186,467.54, 257,316.25 and 105,884.42

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Solution

The fourth proportional to 186,467.54, 257,316.25 and 105,884.42 is: 146,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,467.54 : 257,316.25 = 105,884.42 : x
  2. Step 2: Convert to fraction form
    186,467.54/257,316.25 = 105,884.42/x
  3. Step 3: Cross multiply
    186,467.54x = 257,316.25 × 105,884.42
  4. Step 4: Simplify right side
    186,467.54x = 27,245,781,244.53
  5. Step 5: Solve for x
    x = 27,245,781,244.53/186,467.54
  6. Step 6: Final answer
    x = 146,115.41

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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.