Home / 209,130.41-288,599.42-113,637.11

Finding the Fourth Proportional to 209,130.41, 288,599.42 and 113,637.11

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Solution

The fourth proportional to 209,130.41, 288,599.42 and 113,637.11 is: 156,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,130.41 : 288,599.42 = 113,637.11 : x
  2. Step 2: Convert to fraction form
    209,130.41/288,599.42 = 113,637.11/x
  3. Step 3: Cross multiply
    209,130.41x = 288,599.42 × 113,637.11
  4. Step 4: Simplify right side
    209,130.41x = 32,795,604,189.79
  5. Step 5: Solve for x
    x = 32,795,604,189.79/209,130.41
  6. Step 6: Final answer
    x = 156,818.92

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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.