Home / 249,468.36-374,227.74-80,981.64

Finding the Fourth Proportional to 249,468.36, 374,227.74 and 80,981.64

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Solution

The fourth proportional to 249,468.36, 374,227.74 and 80,981.64 is: 121,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,468.36 : 374,227.74 = 80,981.64 : x
  2. Step 2: Convert to fraction form
    249,468.36/374,227.74 = 80,981.64/x
  3. Step 3: Cross multiply
    249,468.36x = 374,227.74 × 80,981.64
  4. Step 4: Simplify right side
    249,468.36x = 30,305,576,118.69
  5. Step 5: Solve for x
    x = 30,305,576,118.69/249,468.36
  6. Step 6: Final answer
    x = 121,480.64

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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.