Home / 402,264.04-603,461.40-136,040.80

Finding the Fourth Proportional to 402,264.04, 603,461.40 and 136,040.80

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Solution

The fourth proportional to 402,264.04, 603,461.40 and 136,040.80 is: 204,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,264.04 : 603,461.40 = 136,040.80 : x
  2. Step 2: Convert to fraction form
    402,264.04/603,461.40 = 136,040.80/x
  3. Step 3: Cross multiply
    402,264.04x = 603,461.40 × 136,040.80
  4. Step 4: Simplify right side
    402,264.04x = 82,095,371,625.12
  5. Step 5: Solve for x
    x = 82,095,371,625.12/402,264.04
  6. Step 6: Final answer
    x = 204,083.30

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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.