Home / 454,208.16-681,020.64-201,565.92

Finding the Fourth Proportional to 454,208.16, 681,020.64 and 201,565.92

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Solution

The fourth proportional to 454,208.16, 681,020.64 and 201,565.92 is: 302,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,208.16 : 681,020.64 = 201,565.92 : x
  2. Step 2: Convert to fraction form
    454,208.16/681,020.64 = 201,565.92/x
  3. Step 3: Cross multiply
    454,208.16x = 681,020.64 × 201,565.92
  4. Step 4: Simplify right side
    454,208.16x = 137,270,551,840.59
  5. Step 5: Solve for x
    x = 137,270,551,840.59/454,208.16
  6. Step 6: Final answer
    x = 302,219.48

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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.