Home / 186,554.09-257,445.51-105,986.04

Finding the Fourth Proportional to 186,554.09, 257,445.51 and 105,986.04

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Solution

The fourth proportional to 186,554.09, 257,445.51 and 105,986.04 is: 146,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,554.09 : 257,445.51 = 105,986.04 : x
  2. Step 2: Convert to fraction form
    186,554.09/257,445.51 = 105,986.04/x
  3. Step 3: Cross multiply
    186,554.09x = 257,445.51 × 105,986.04
  4. Step 4: Simplify right side
    186,554.09x = 27,285,630,120.68
  5. Step 5: Solve for x
    x = 27,285,630,120.68/186,554.09
  6. Step 6: Final answer
    x = 146,261.23

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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.