Home / 186,724.71-257,678.89-106,152.26

Finding the Fourth Proportional to 186,724.71, 257,678.89 and 106,152.26

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Solution

The fourth proportional to 186,724.71, 257,678.89 and 106,152.26 is: 146,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,724.71 : 257,678.89 = 106,152.26 : x
  2. Step 2: Convert to fraction form
    186,724.71/257,678.89 = 106,152.26/x
  3. Step 3: Cross multiply
    186,724.71x = 257,678.89 × 106,152.26
  4. Step 4: Simplify right side
    186,724.71x = 27,353,194,708.64
  5. Step 5: Solve for x
    x = 27,353,194,708.64/186,724.71
  6. Step 6: Final answer
    x = 146,489.42

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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.