Home / 209,859.39-289,598.63-114,364.17

Finding the Fourth Proportional to 209,859.39, 289,598.63 and 114,364.17

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Solution

The fourth proportional to 209,859.39, 289,598.63 and 114,364.17 is: 157,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,859.39 : 289,598.63 = 114,364.17 : x
  2. Step 2: Convert to fraction form
    209,859.39/289,598.63 = 114,364.17/x
  3. Step 3: Cross multiply
    209,859.39x = 289,598.63 × 114,364.17
  4. Step 4: Simplify right side
    209,859.39x = 33,119,706,381.27
  5. Step 5: Solve for x
    x = 33,119,706,381.27/209,859.39
  6. Step 6: Final answer
    x = 157,818.56

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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.