Home / 186,635.14-279,870.36-53,485.18

Finding the Fourth Proportional to 186,635.14, 279,870.36 and 53,485.18

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Solution

The fourth proportional to 186,635.14, 279,870.36 and 53,485.18 is: 80,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,635.14 : 279,870.36 = 53,485.18 : x
  2. Step 2: Convert to fraction form
    186,635.14/279,870.36 = 53,485.18/x
  3. Step 3: Cross multiply
    186,635.14x = 279,870.36 × 53,485.18
  4. Step 4: Simplify right side
    186,635.14x = 14,968,916,581.26
  5. Step 5: Solve for x
    x = 14,968,916,581.26/186,635.14
  6. Step 6: Final answer
    x = 80,204.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.