Home / 186,575.40-279,780.48-53,425.32

Finding the Fourth Proportional to 186,575.40, 279,780.48 and 53,425.32

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Solution

The fourth proportional to 186,575.40, 279,780.48 and 53,425.32 is: 80,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,575.40 : 279,780.48 = 53,425.32 : x
  2. Step 2: Convert to fraction form
    186,575.40/279,780.48 = 53,425.32/x
  3. Step 3: Cross multiply
    186,575.40x = 279,780.48 × 53,425.32
  4. Step 4: Simplify right side
    186,575.40x = 14,947,361,673.75
  5. Step 5: Solve for x
    x = 14,947,361,673.75/186,575.40
  6. Step 6: Final answer
    x = 80,114.32

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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.