Home / 186,716.63-257,667.76-106,144.15

Finding the Fourth Proportional to 186,716.63, 257,667.76 and 106,144.15

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Solution

The fourth proportional to 186,716.63, 257,667.76 and 106,144.15 is: 146,478.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,716.63 : 257,667.76 = 106,144.15 : x
  2. Step 2: Convert to fraction form
    186,716.63/257,667.76 = 106,144.15/x
  3. Step 3: Cross multiply
    186,716.63x = 257,667.76 × 106,144.15
  4. Step 4: Simplify right side
    186,716.63x = 27,349,924,458.07
  5. Step 5: Solve for x
    x = 27,349,924,458.07/186,716.63
  6. Step 6: Final answer
    x = 146,478.25

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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.