Home / 249,923.63-374,846.94-81,443.54

Finding the Fourth Proportional to 249,923.63, 374,846.94 and 81,443.54

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Solution

The fourth proportional to 249,923.63, 374,846.94 and 81,443.54 is: 122,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,923.63 : 374,846.94 = 81,443.54 : x
  2. Step 2: Convert to fraction form
    249,923.63/374,846.94 = 81,443.54/x
  3. Step 3: Cross multiply
    249,923.63x = 374,846.94 × 81,443.54
  4. Step 4: Simplify right side
    249,923.63x = 30,528,859,877.53
  5. Step 5: Solve for x
    x = 30,528,859,877.53/249,923.63
  6. Step 6: Final answer
    x = 122,152.76

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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.