Home / 165,148.90-247,723.36-46,821.28

Finding the Fourth Proportional to 165,148.90, 247,723.36 and 46,821.28

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Solution

The fourth proportional to 165,148.90, 247,723.36 and 46,821.28 is: 70,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,148.90 : 247,723.36 = 46,821.28 : x
  2. Step 2: Convert to fraction form
    165,148.90/247,723.36 = 46,821.28/x
  3. Step 3: Cross multiply
    165,148.90x = 247,723.36 × 46,821.28
  4. Step 4: Simplify right side
    165,148.90x = 11,598,724,801.10
  5. Step 5: Solve for x
    x = 11,598,724,801.10/165,148.90
  6. Step 6: Final answer
    x = 70,231.92

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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.