Home / 208,806.41-288,153.03-113,313.10

Finding the Fourth Proportional to 208,806.41, 288,153.03 and 113,313.10

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Solution

The fourth proportional to 208,806.41, 288,153.03 and 113,313.10 is: 156,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,806.41 : 288,153.03 = 113,313.10 : x
  2. Step 2: Convert to fraction form
    208,806.41/288,153.03 = 113,313.10/x
  3. Step 3: Cross multiply
    208,806.41x = 288,153.03 × 113,313.10
  4. Step 4: Simplify right side
    208,806.41x = 32,651,513,282.55
  5. Step 5: Solve for x
    x = 32,651,513,282.55/208,806.41
  6. Step 6: Final answer
    x = 156,372.18

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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.