Home / 186,579.32-257,486.40-106,020.50

Finding the Fourth Proportional to 186,579.32, 257,486.40 and 106,020.50

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Solution

The fourth proportional to 186,579.32, 257,486.40 and 106,020.50 is: 146,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,579.32 : 257,486.40 = 106,020.50 : x
  2. Step 2: Convert to fraction form
    186,579.32/257,486.40 = 106,020.50/x
  3. Step 3: Cross multiply
    186,579.32x = 257,486.40 × 106,020.50
  4. Step 4: Simplify right side
    186,579.32x = 27,298,836,871.20
  5. Step 5: Solve for x
    x = 27,298,836,871.20/186,579.32
  6. Step 6: Final answer
    x = 146,312.23

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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.