Home / 185,887.20-278,830.80-52,754.40

Finding the Fourth Proportional to 185,887.20, 278,830.80 and 52,754.40

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Solution

The fourth proportional to 185,887.20, 278,830.80 and 52,754.40 is: 79,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,887.20 : 278,830.80 = 52,754.40 : x
  2. Step 2: Convert to fraction form
    185,887.20/278,830.80 = 52,754.40/x
  3. Step 3: Cross multiply
    185,887.20x = 278,830.80 × 52,754.40
  4. Step 4: Simplify right side
    185,887.20x = 14,709,551,555.52
  5. Step 5: Solve for x
    x = 14,709,551,555.52/185,887.20
  6. Step 6: Final answer
    x = 79,131.60

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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.