Home / 208,854.45-288,211.41-113,359.10

Finding the Fourth Proportional to 208,854.45, 288,211.41 and 113,359.10

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Solution

The fourth proportional to 208,854.45, 288,211.41 and 113,359.10 is: 156,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,854.45 : 288,211.41 = 113,359.10 : x
  2. Step 2: Convert to fraction form
    208,854.45/288,211.41 = 113,359.10/x
  3. Step 3: Cross multiply
    208,854.45x = 288,211.41 × 113,359.10
  4. Step 4: Simplify right side
    208,854.45x = 32,671,384,606.27
  5. Step 5: Solve for x
    x = 32,671,384,606.27/208,854.45
  6. Step 6: Final answer
    x = 156,431.35

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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.