Home / 209,501.30-289,111.25-114,007.97

Finding the Fourth Proportional to 209,501.30, 289,111.25 and 114,007.97

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Solution

The fourth proportional to 209,501.30, 289,111.25 and 114,007.97 is: 157,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,501.30 : 289,111.25 = 114,007.97 : x
  2. Step 2: Convert to fraction form
    209,501.30/289,111.25 = 114,007.97/x
  3. Step 3: Cross multiply
    209,501.30x = 289,111.25 × 114,007.97
  4. Step 4: Simplify right side
    209,501.30x = 32,960,985,556.13
  5. Step 5: Solve for x
    x = 32,960,985,556.13/209,501.30
  6. Step 6: Final answer
    x = 157,330.70

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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.