Home / 186,277.40-279,418.64-53,157.59

Finding the Fourth Proportional to 186,277.40, 279,418.64 and 53,157.59

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Solution

The fourth proportional to 186,277.40, 279,418.64 and 53,157.59 is: 79,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,277.40 : 279,418.64 = 53,157.59 : x
  2. Step 2: Convert to fraction form
    186,277.40/279,418.64 = 53,157.59/x
  3. Step 3: Cross multiply
    186,277.40x = 279,418.64 × 53,157.59
  4. Step 4: Simplify right side
    186,277.40x = 14,853,219,840.60
  5. Step 5: Solve for x
    x = 14,853,219,840.60/186,277.40
  6. Step 6: Final answer
    x = 79,737.10

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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.