Home / 186,839.28-257,845.44-106,274.16

Finding the Fourth Proportional to 186,839.28, 257,845.44 and 106,274.16

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Solution

The fourth proportional to 186,839.28, 257,845.44 and 106,274.16 is: 146,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,839.28 : 257,845.44 = 106,274.16 : x
  2. Step 2: Convert to fraction form
    186,839.28/257,845.44 = 106,274.16/x
  3. Step 3: Cross multiply
    186,839.28x = 257,845.44 × 106,274.16
  4. Step 4: Simplify right side
    186,839.28x = 27,402,307,545.83
  5. Step 5: Solve for x
    x = 27,402,307,545.83/186,839.28
  6. Step 6: Final answer
    x = 146,662.46

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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.