Home / 156,920.90-235,370.55-50,303.30

Finding the Fourth Proportional to 156,920.90, 235,370.55 and 50,303.30

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Solution

The fourth proportional to 156,920.90, 235,370.55 and 50,303.30 is: 75,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,920.90 : 235,370.55 = 50,303.30 : x
  2. Step 2: Convert to fraction form
    156,920.90/235,370.55 = 50,303.30/x
  3. Step 3: Cross multiply
    156,920.90x = 235,370.55 × 50,303.30
  4. Step 4: Simplify right side
    156,920.90x = 11,839,915,387.82
  5. Step 5: Solve for x
    x = 11,839,915,387.82/156,920.90
  6. Step 6: Final answer
    x = 75,451.49

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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.