Home / 209,582.76-289,179.36-124,683.24

Finding the Fourth Proportional to 209,582.76, 289,179.36 and 124,683.24

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Solution

The fourth proportional to 209,582.76, 289,179.36 and 124,683.24 is: 172,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,582.76 : 289,179.36 = 124,683.24 : x
  2. Step 2: Convert to fraction form
    209,582.76/289,179.36 = 124,683.24/x
  3. Step 3: Cross multiply
    209,582.76x = 289,179.36 × 124,683.24
  4. Step 4: Simplify right side
    209,582.76x = 36,055,819,545.93
  5. Step 5: Solve for x
    x = 36,055,819,545.93/209,582.76
  6. Step 6: Final answer
    x = 172,036.19

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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.