Home / 208,935.04-288,331.88-113,441.80

Finding the Fourth Proportional to 208,935.04, 288,331.88 and 113,441.80

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Solution

The fourth proportional to 208,935.04, 288,331.88 and 113,441.80 is: 156,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,935.04 : 288,331.88 = 113,441.80 : x
  2. Step 2: Convert to fraction form
    208,935.04/288,331.88 = 113,441.80/x
  3. Step 3: Cross multiply
    208,935.04x = 288,331.88 × 113,441.80
  4. Step 4: Simplify right side
    208,935.04x = 32,708,887,464.58
  5. Step 5: Solve for x
    x = 32,708,887,464.58/208,935.04
  6. Step 6: Final answer
    x = 156,550.51

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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.