Home / 129,012.84-193,541.16-40,264.38

Finding the Fourth Proportional to 129,012.84, 193,541.16 and 40,264.38

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Solution

The fourth proportional to 129,012.84, 193,541.16 and 40,264.38 is: 60,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,012.84 : 193,541.16 = 40,264.38 : x
  2. Step 2: Convert to fraction form
    129,012.84/193,541.16 = 40,264.38/x
  3. Step 3: Cross multiply
    129,012.84x = 193,541.16 × 40,264.38
  4. Step 4: Simplify right side
    129,012.84x = 7,792,814,811.88
  5. Step 5: Solve for x
    x = 7,792,814,811.88/129,012.84
  6. Step 6: Final answer
    x = 60,403.40

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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.