Home / 343,255.07-514,916.72-127,171.60

Finding the Fourth Proportional to 343,255.07, 514,916.72 and 127,171.60

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Solution

The fourth proportional to 343,255.07, 514,916.72 and 127,171.60 is: 190,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,255.07 : 514,916.72 = 127,171.60 : x
  2. Step 2: Convert to fraction form
    343,255.07/514,916.72 = 127,171.60/x
  3. Step 3: Cross multiply
    343,255.07x = 514,916.72 × 127,171.60
  4. Step 4: Simplify right side
    343,255.07x = 65,482,783,633.83
  5. Step 5: Solve for x
    x = 65,482,783,633.83/343,255.07
  6. Step 6: Final answer
    x = 190,770.04

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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.