Home / 186,463.56-257,321.48-105,892.76

Finding the Fourth Proportional to 186,463.56, 257,321.48 and 105,892.76

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Solution

The fourth proportional to 186,463.56, 257,321.48 and 105,892.76 is: 146,133.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,463.56 : 257,321.48 = 105,892.76 : x
  2. Step 2: Convert to fraction form
    186,463.56/257,321.48 = 105,892.76/x
  3. Step 3: Cross multiply
    186,463.56x = 257,321.48 × 105,892.76
  4. Step 4: Simplify right side
    186,463.56x = 27,248,481,724.48
  5. Step 5: Solve for x
    x = 27,248,481,724.48/186,463.56
  6. Step 6: Final answer
    x = 146,133.01

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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.