Home / 558,131.84-837,190.88-137,411.36

Finding the Fourth Proportional to 558,131.84, 837,190.88 and 137,411.36

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Solution

The fourth proportional to 558,131.84, 837,190.88 and 137,411.36 is: 206,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,131.84 : 837,190.88 = 137,411.36 : x
  2. Step 2: Convert to fraction form
    558,131.84/837,190.88 = 137,411.36/x
  3. Step 3: Cross multiply
    558,131.84x = 837,190.88 × 137,411.36
  4. Step 4: Simplify right side
    558,131.84x = 115,039,537,400.40
  5. Step 5: Solve for x
    x = 115,039,537,400.40/558,131.84
  6. Step 6: Final answer
    x = 206,115.35

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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.