Home / 208,933.29-288,329.45-113,440.05

Finding the Fourth Proportional to 208,933.29, 288,329.45 and 113,440.05

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Solution

The fourth proportional to 208,933.29, 288,329.45 and 113,440.05 is: 156,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,933.29 : 288,329.45 = 113,440.05 : x
  2. Step 2: Convert to fraction form
    208,933.29/288,329.45 = 113,440.05/x
  3. Step 3: Cross multiply
    208,933.29x = 288,329.45 × 113,440.05
  4. Step 4: Simplify right side
    208,933.29x = 32,708,106,657.27
  5. Step 5: Solve for x
    x = 32,708,106,657.27/208,933.29
  6. Step 6: Final answer
    x = 156,548.09

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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.