Home / 209,053.49-288,582.08-141,162.39

Finding the Fourth Proportional to 209,053.49, 288,582.08 and 141,162.39

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Solution

The fourth proportional to 209,053.49, 288,582.08 and 141,162.39 is: 194,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,053.49 : 288,582.08 = 141,162.39 : x
  2. Step 2: Convert to fraction form
    209,053.49/288,582.08 = 141,162.39/x
  3. Step 3: Cross multiply
    209,053.49x = 288,582.08 × 141,162.39
  4. Step 4: Simplify right side
    209,053.49x = 40,736,935,418.16
  5. Step 5: Solve for x
    x = 40,736,935,418.16/209,053.49
  6. Step 6: Final answer
    x = 194,863.70

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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.