Home / 186,114.60-256,833.54-105,542.28

Finding the Fourth Proportional to 186,114.60, 256,833.54 and 105,542.28

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Solution

The fourth proportional to 186,114.60, 256,833.54 and 105,542.28 is: 145,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,114.60 : 256,833.54 = 105,542.28 : x
  2. Step 2: Convert to fraction form
    186,114.60/256,833.54 = 105,542.28/x
  3. Step 3: Cross multiply
    186,114.60x = 256,833.54 × 105,542.28
  4. Step 4: Simplify right side
    186,114.60x = 27,106,797,392.07
  5. Step 5: Solve for x
    x = 27,106,797,392.07/186,114.60
  6. Step 6: Final answer
    x = 145,645.73

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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.