Home / 253,527.08-380,313.66-76,026.92

Finding the Fourth Proportional to 253,527.08, 380,313.66 and 76,026.92

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Solution

The fourth proportional to 253,527.08, 380,313.66 and 76,026.92 is: 114,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,527.08 : 380,313.66 = 76,026.92 : x
  2. Step 2: Convert to fraction form
    253,527.08/380,313.66 = 76,026.92/x
  3. Step 3: Cross multiply
    253,527.08x = 380,313.66 × 76,026.92
  4. Step 4: Simplify right side
    253,527.08x = 28,914,076,203.73
  5. Step 5: Solve for x
    x = 28,914,076,203.73/253,527.08
  6. Step 6: Final answer
    x = 114,047.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.