Home / 146,539.60-219,743.70-57,747.40

Finding the Fourth Proportional to 146,539.60, 219,743.70 and 57,747.40

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Solution

The fourth proportional to 146,539.60, 219,743.70 and 57,747.40 is: 86,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,539.60 : 219,743.70 = 57,747.40 : x
  2. Step 2: Convert to fraction form
    146,539.60/219,743.70 = 57,747.40/x
  3. Step 3: Cross multiply
    146,539.60x = 219,743.70 × 57,747.40
  4. Step 4: Simplify right side
    146,539.60x = 12,689,627,341.38
  5. Step 5: Solve for x
    x = 12,689,627,341.38/146,539.60
  6. Step 6: Final answer
    x = 86,595.21

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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.