Home / 186,724.59-257,678.75-106,152.11

Finding the Fourth Proportional to 186,724.59, 257,678.75 and 106,152.11

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Solution

The fourth proportional to 186,724.59, 257,678.75 and 106,152.11 is: 146,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,724.59 : 257,678.75 = 106,152.11 : x
  2. Step 2: Convert to fraction form
    186,724.59/257,678.75 = 106,152.11/x
  3. Step 3: Cross multiply
    186,724.59x = 257,678.75 × 106,152.11
  4. Step 4: Simplify right side
    186,724.59x = 27,353,143,014.66
  5. Step 5: Solve for x
    x = 27,353,143,014.66/186,724.59
  6. Step 6: Final answer
    x = 146,489.24

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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.