Home / 210,004.57-289,807.50-114,512.86

Finding the Fourth Proportional to 210,004.57, 289,807.50 and 114,512.86

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Solution

The fourth proportional to 210,004.57, 289,807.50 and 114,512.86 is: 158,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,004.57 : 289,807.50 = 114,512.86 : x
  2. Step 2: Convert to fraction form
    210,004.57/289,807.50 = 114,512.86/x
  3. Step 3: Cross multiply
    210,004.57x = 289,807.50 × 114,512.86
  4. Step 4: Simplify right side
    210,004.57x = 33,186,685,674.45
  5. Step 5: Solve for x
    x = 33,186,685,674.45/210,004.57
  6. Step 6: Final answer
    x = 158,028.40

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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.