Home / 454,487.40-681,810.30-188,101.80

Finding the Fourth Proportional to 454,487.40, 681,810.30 and 188,101.80

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Solution

The fourth proportional to 454,487.40, 681,810.30 and 188,101.80 is: 282,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,487.40 : 681,810.30 = 188,101.80 : x
  2. Step 2: Convert to fraction form
    454,487.40/681,810.30 = 188,101.80/x
  3. Step 3: Cross multiply
    454,487.40x = 681,810.30 × 188,101.80
  4. Step 4: Simplify right side
    454,487.40x = 128,249,744,688.54
  5. Step 5: Solve for x
    x = 128,249,744,688.54/454,487.40
  6. Step 6: Final answer
    x = 282,185.48

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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.