Home / 208,840.38-288,200.01-113,347.08

Finding the Fourth Proportional to 208,840.38, 288,200.01 and 113,347.08

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Solution

The fourth proportional to 208,840.38, 288,200.01 and 113,347.08 is: 156,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,840.38 : 288,200.01 = 113,347.08 : x
  2. Step 2: Convert to fraction form
    208,840.38/288,200.01 = 113,347.08/x
  3. Step 3: Cross multiply
    208,840.38x = 288,200.01 × 113,347.08
  4. Step 4: Simplify right side
    208,840.38x = 32,666,629,589.47
  5. Step 5: Solve for x
    x = 32,666,629,589.47/208,840.38
  6. Step 6: Final answer
    x = 156,419.13

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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.