Home / 208,818.26-288,167.65-113,322.90

Finding the Fourth Proportional to 208,818.26, 288,167.65 and 113,322.90

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Solution

The fourth proportional to 208,818.26, 288,167.65 and 113,322.90 is: 156,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,818.26 : 288,167.65 = 113,322.90 : x
  2. Step 2: Convert to fraction form
    208,818.26/288,167.65 = 113,322.90/x
  3. Step 3: Cross multiply
    208,818.26x = 288,167.65 × 113,322.90
  4. Step 4: Simplify right side
    208,818.26x = 32,655,993,784.19
  5. Step 5: Solve for x
    x = 32,655,993,784.19/208,818.26
  6. Step 6: Final answer
    x = 156,384.76

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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.