Home / 157,626.20-236,397.70-78,682.20

Finding the Fourth Proportional to 157,626.20, 236,397.70 and 78,682.20

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Solution

The fourth proportional to 157,626.20, 236,397.70 and 78,682.20 is: 118,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,626.20 : 236,397.70 = 78,682.20 : x
  2. Step 2: Convert to fraction form
    157,626.20/236,397.70 = 78,682.20/x
  3. Step 3: Cross multiply
    157,626.20x = 236,397.70 × 78,682.20
  4. Step 4: Simplify right side
    157,626.20x = 18,600,291,110.94
  5. Step 5: Solve for x
    x = 18,600,291,110.94/157,626.20
  6. Step 6: Final answer
    x = 118,002.53

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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.