Home / 186,705.20-279,973.56-53,555.24

Finding the Fourth Proportional to 186,705.20, 279,973.56 and 53,555.24

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Solution

The fourth proportional to 186,705.20, 279,973.56 and 53,555.24 is: 80,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,705.20 : 279,973.56 = 53,555.24 : x
  2. Step 2: Convert to fraction form
    186,705.20/279,973.56 = 53,555.24/x
  3. Step 3: Cross multiply
    186,705.20x = 279,973.56 × 53,555.24
  4. Step 4: Simplify right side
    186,705.20x = 14,994,051,199.45
  5. Step 5: Solve for x
    x = 14,994,051,199.45/186,705.20
  6. Step 6: Final answer
    x = 80,308.70

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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.