Home / 209,983.80-289,802.24-119,353.38

Finding the Fourth Proportional to 209,983.80, 289,802.24 and 119,353.38

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Solution

The fourth proportional to 209,983.80, 289,802.24 and 119,353.38 is: 164,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,983.80 : 289,802.24 = 119,353.38 : x
  2. Step 2: Convert to fraction form
    209,983.80/289,802.24 = 119,353.38/x
  3. Step 3: Cross multiply
    209,983.80x = 289,802.24 × 119,353.38
  4. Step 4: Simplify right side
    209,983.80x = 34,588,876,875.57
  5. Step 5: Solve for x
    x = 34,588,876,875.57/209,983.80
  6. Step 6: Final answer
    x = 164,721.64

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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.