Home / 218,539.40-327,809.10-152,184.20

Finding the Fourth Proportional to 218,539.40, 327,809.10 and 152,184.20

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Solution

The fourth proportional to 218,539.40, 327,809.10 and 152,184.20 is: 228,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,539.40 : 327,809.10 = 152,184.20 : x
  2. Step 2: Convert to fraction form
    218,539.40/327,809.10 = 152,184.20/x
  3. Step 3: Cross multiply
    218,539.40x = 327,809.10 × 152,184.20
  4. Step 4: Simplify right side
    218,539.40x = 49,887,365,636.22
  5. Step 5: Solve for x
    x = 49,887,365,636.22/218,539.40
  6. Step 6: Final answer
    x = 228,276.30

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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.