Home / 146,364.35-219,620.30-57,681.50

Finding the Fourth Proportional to 146,364.35, 219,620.30 and 57,681.50

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Solution

The fourth proportional to 146,364.35, 219,620.30 and 57,681.50 is: 86,551.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,364.35 : 219,620.30 = 57,681.50 : x
  2. Step 2: Convert to fraction form
    146,364.35/219,620.30 = 57,681.50/x
  3. Step 3: Cross multiply
    146,364.35x = 219,620.30 × 57,681.50
  4. Step 4: Simplify right side
    146,364.35x = 12,668,026,947.94
  5. Step 5: Solve for x
    x = 12,668,026,947.94/146,364.35
  6. Step 6: Final answer
    x = 86,551.32

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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.