Home / 208,840.43-288,198.05-113,347.10

Finding the Fourth Proportional to 208,840.43, 288,198.05 and 113,347.10

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Solution

The fourth proportional to 208,840.43, 288,198.05 and 113,347.10 is: 156,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,840.43 : 288,198.05 = 113,347.10 : x
  2. Step 2: Convert to fraction form
    208,840.43/288,198.05 = 113,347.10/x
  3. Step 3: Cross multiply
    208,840.43x = 288,198.05 × 113,347.10
  4. Step 4: Simplify right side
    208,840.43x = 32,666,411,185.43
  5. Step 5: Solve for x
    x = 32,666,411,185.43/208,840.43
  6. Step 6: Final answer
    x = 156,418.05

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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.