Home / 112,199.80-168,083.70-88,381.30

Finding the Fourth Proportional to 112,199.80, 168,083.70 and 88,381.30

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Solution

The fourth proportional to 112,199.80, 168,083.70 and 88,381.30 is: 132,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,199.80 : 168,083.70 = 88,381.30 : x
  2. Step 2: Convert to fraction form
    112,199.80/168,083.70 = 88,381.30/x
  3. Step 3: Cross multiply
    112,199.80x = 168,083.70 × 88,381.30
  4. Step 4: Simplify right side
    112,199.80x = 14,855,455,914.81
  5. Step 5: Solve for x
    x = 14,855,455,914.81/112,199.80
  6. Step 6: Final answer
    x = 132,401.80

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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.