Home / 186,061.08-256,756.53-105,494.05

Finding the Fourth Proportional to 186,061.08, 256,756.53 and 105,494.05

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Solution

The fourth proportional to 186,061.08, 256,756.53 and 105,494.05 is: 145,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,061.08 : 256,756.53 = 105,494.05 : x
  2. Step 2: Convert to fraction form
    186,061.08/256,756.53 = 105,494.05/x
  3. Step 3: Cross multiply
    186,061.08x = 256,756.53 × 105,494.05
  4. Step 4: Simplify right side
    186,061.08x = 27,086,285,485.94
  5. Step 5: Solve for x
    x = 27,086,285,485.94/186,061.08
  6. Step 6: Final answer
    x = 145,577.39

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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.