Home / 209,499.92-289,109.35-114,006.59

Finding the Fourth Proportional to 209,499.92, 289,109.35 and 114,006.59

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Solution

The fourth proportional to 209,499.92, 289,109.35 and 114,006.59 is: 157,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,499.92 : 289,109.35 = 114,006.59 : x
  2. Step 2: Convert to fraction form
    209,499.92/289,109.35 = 114,006.59/x
  3. Step 3: Cross multiply
    209,499.92x = 289,109.35 × 114,006.59
  4. Step 4: Simplify right side
    209,499.92x = 32,960,371,130.62
  5. Step 5: Solve for x
    x = 32,960,371,130.62/209,499.92
  6. Step 6: Final answer
    x = 157,328.80

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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.