Home / 156,628.40-234,942.60-45,820.40

Finding the Fourth Proportional to 156,628.40, 234,942.60 and 45,820.40

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Solution

The fourth proportional to 156,628.40, 234,942.60 and 45,820.40 is: 68,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,628.40 : 234,942.60 = 45,820.40 : x
  2. Step 2: Convert to fraction form
    156,628.40/234,942.60 = 45,820.40/x
  3. Step 3: Cross multiply
    156,628.40x = 234,942.60 × 45,820.40
  4. Step 4: Simplify right side
    156,628.40x = 10,765,163,909.04
  5. Step 5: Solve for x
    x = 10,765,163,909.04/156,628.40
  6. Step 6: Final answer
    x = 68,730.60

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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.