Home / 186,351.08-257,168.72-105,771.07

Finding the Fourth Proportional to 186,351.08, 257,168.72 and 105,771.07

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Solution

The fourth proportional to 186,351.08, 257,168.72 and 105,771.07 is: 145,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,351.08 : 257,168.72 = 105,771.07 : x
  2. Step 2: Convert to fraction form
    186,351.08/257,168.72 = 105,771.07/x
  3. Step 3: Cross multiply
    186,351.08x = 257,168.72 × 105,771.07
  4. Step 4: Simplify right side
    186,351.08x = 27,201,009,513.15
  5. Step 5: Solve for x
    x = 27,201,009,513.15/186,351.08
  6. Step 6: Final answer
    x = 145,966.47

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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.