Home / 112,175.70-168,263.55-102,334.20

Finding the Fourth Proportional to 112,175.70, 168,263.55 and 102,334.20

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Solution

The fourth proportional to 112,175.70, 168,263.55 and 102,334.20 is: 153,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,175.70 : 168,263.55 = 102,334.20 : x
  2. Step 2: Convert to fraction form
    112,175.70/168,263.55 = 102,334.20/x
  3. Step 3: Cross multiply
    112,175.70x = 168,263.55 × 102,334.20
  4. Step 4: Simplify right side
    112,175.70x = 17,219,115,778.41
  5. Step 5: Solve for x
    x = 17,219,115,778.41/112,175.70
  6. Step 6: Final answer
    x = 153,501.30

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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.