Home / 186,562.56-279,667.53-74,312.09

Finding the Fourth Proportional to 186,562.56, 279,667.53 and 74,312.09

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Solution

The fourth proportional to 186,562.56, 279,667.53 and 74,312.09 is: 111,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,562.56 : 279,667.53 = 74,312.09 : x
  2. Step 2: Convert to fraction form
    186,562.56/279,667.53 = 74,312.09/x
  3. Step 3: Cross multiply
    186,562.56x = 279,667.53 × 74,312.09
  4. Step 4: Simplify right side
    186,562.56x = 20,782,677,261.10
  5. Step 5: Solve for x
    x = 20,782,677,261.10/186,562.56
  6. Step 6: Final answer
    x = 111,397.90

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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.