Home / 209,148.89-288,623.86-113,655.35

Finding the Fourth Proportional to 209,148.89, 288,623.86 and 113,655.35

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Solution

The fourth proportional to 209,148.89, 288,623.86 and 113,655.35 is: 156,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,148.89 : 288,623.86 = 113,655.35 : x
  2. Step 2: Convert to fraction form
    209,148.89/288,623.86 = 113,655.35/x
  3. Step 3: Cross multiply
    209,148.89x = 288,623.86 × 113,655.35
  4. Step 4: Simplify right side
    209,148.89x = 32,803,646,264.07
  5. Step 5: Solve for x
    x = 32,803,646,264.07/209,148.89
  6. Step 6: Final answer
    x = 156,843.51

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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.