Home / 156,634.80-234,952.20-51,464.40

Finding the Fourth Proportional to 156,634.80, 234,952.20 and 51,464.40

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Solution

The fourth proportional to 156,634.80, 234,952.20 and 51,464.40 is: 77,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634.80 : 234,952.20 = 51,464.40 : x
  2. Step 2: Convert to fraction form
    156,634.80/234,952.20 = 51,464.40/x
  3. Step 3: Cross multiply
    156,634.80x = 234,952.20 × 51,464.40
  4. Step 4: Simplify right side
    156,634.80x = 12,091,674,001.68
  5. Step 5: Solve for x
    x = 12,091,674,001.68/156,634.80
  6. Step 6: Final answer
    x = 77,196.60

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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.