Home / 369,211.01-509,511.47-199,445.13

Finding the Fourth Proportional to 369,211.01, 509,511.47 and 199,445.13

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Solution

The fourth proportional to 369,211.01, 509,511.47 and 199,445.13 is: 275,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,211.01 : 509,511.47 = 199,445.13 : x
  2. Step 2: Convert to fraction form
    369,211.01/509,511.47 = 199,445.13/x
  3. Step 3: Cross multiply
    369,211.01x = 509,511.47 × 199,445.13
  4. Step 4: Simplify right side
    369,211.01x = 101,619,580,373.42
  5. Step 5: Solve for x
    x = 101,619,580,373.42/369,211.01
  6. Step 6: Final answer
    x = 275,234.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.