Home / 208,807.06-288,154.49-113,313.73

Finding the Fourth Proportional to 208,807.06, 288,154.49 and 113,313.73

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Solution

The fourth proportional to 208,807.06, 288,154.49 and 113,313.73 is: 156,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,807.06 : 288,154.49 = 113,313.73 : x
  2. Step 2: Convert to fraction form
    208,807.06/288,154.49 = 113,313.73/x
  3. Step 3: Cross multiply
    208,807.06x = 288,154.49 × 113,313.73
  4. Step 4: Simplify right side
    208,807.06x = 32,651,860,078.15
  5. Step 5: Solve for x
    x = 32,651,860,078.15/208,807.06
  6. Step 6: Final answer
    x = 156,373.35

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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.