Home / 210,076.09-289,908.46-114,582.79

Finding the Fourth Proportional to 210,076.09, 289,908.46 and 114,582.79

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Solution

The fourth proportional to 210,076.09, 289,908.46 and 114,582.79 is: 158,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,076.09 : 289,908.46 = 114,582.79 : x
  2. Step 2: Convert to fraction form
    210,076.09/289,908.46 = 114,582.79/x
  3. Step 3: Cross multiply
    210,076.09x = 289,908.46 × 114,582.79
  4. Step 4: Simplify right side
    210,076.09x = 33,218,520,697.02
  5. Step 5: Solve for x
    x = 33,218,520,697.02/210,076.09
  6. Step 6: Final answer
    x = 158,126.14

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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.