Home / 185,549.70-278,339.58-52,431.06

Finding the Fourth Proportional to 185,549.70, 278,339.58 and 52,431.06

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Solution

The fourth proportional to 185,549.70, 278,339.58 and 52,431.06 is: 78,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,549.70 : 278,339.58 = 52,431.06 : x
  2. Step 2: Convert to fraction form
    185,549.70/278,339.58 = 52,431.06/x
  3. Step 3: Cross multiply
    185,549.70x = 278,339.58 × 52,431.06
  4. Step 4: Simplify right side
    185,549.70x = 14,593,639,219.35
  5. Step 5: Solve for x
    x = 14,593,639,219.35/185,549.70
  6. Step 6: Final answer
    x = 78,650.84

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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.