Home / 186,828.90-280,290.29-53,709.40

Finding the Fourth Proportional to 186,828.90, 280,290.29 and 53,709.40

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Solution

The fourth proportional to 186,828.90, 280,290.29 and 53,709.40 is: 80,577.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,828.90 : 280,290.29 = 53,709.40 : x
  2. Step 2: Convert to fraction form
    186,828.90/280,290.29 = 53,709.40/x
  3. Step 3: Cross multiply
    186,828.90x = 280,290.29 × 53,709.40
  4. Step 4: Simplify right side
    186,828.90x = 15,054,221,631.73
  5. Step 5: Solve for x
    x = 15,054,221,631.73/186,828.90
  6. Step 6: Final answer
    x = 80,577.59

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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.