Home / 186,828.32-257,828.78-106,267.46

Finding the Fourth Proportional to 186,828.32, 257,828.78 and 106,267.46

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Solution

The fourth proportional to 186,828.32, 257,828.78 and 106,267.46 is: 146,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,828.32 : 257,828.78 = 106,267.46 : x
  2. Step 2: Convert to fraction form
    186,828.32/257,828.78 = 106,267.46/x
  3. Step 3: Cross multiply
    186,828.32x = 257,828.78 × 106,267.46
  4. Step 4: Simplify right side
    186,828.32x = 27,398,808,542.02
  5. Step 5: Solve for x
    x = 27,398,808,542.02/186,828.32
  6. Step 6: Final answer
    x = 146,652.33

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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.