Home / 209,723.64-289,417.14-114,230.04

Finding the Fourth Proportional to 209,723.64, 289,417.14 and 114,230.04

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Solution

The fourth proportional to 209,723.64, 289,417.14 and 114,230.04 is: 157,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,723.64 : 289,417.14 = 114,230.04 : x
  2. Step 2: Convert to fraction form
    209,723.64/289,417.14 = 114,230.04/x
  3. Step 3: Cross multiply
    209,723.64x = 289,417.14 × 114,230.04
  4. Step 4: Simplify right side
    209,723.64x = 33,060,131,478.89
  5. Step 5: Solve for x
    x = 33,060,131,478.89/209,723.64
  6. Step 6: Final answer
    x = 157,636.65

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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.