Home / 112,195.40-168,407.22-56,075.78

Finding the Fourth Proportional to 112,195.40, 168,407.22 and 56,075.78

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Solution

The fourth proportional to 112,195.40, 168,407.22 and 56,075.78 is: 84,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,195.40 : 168,407.22 = 56,075.78 : x
  2. Step 2: Convert to fraction form
    112,195.40/168,407.22 = 56,075.78/x
  3. Step 3: Cross multiply
    112,195.40x = 168,407.22 × 56,075.78
  4. Step 4: Simplify right side
    112,195.40x = 9,443,566,219.13
  5. Step 5: Solve for x
    x = 9,443,566,219.13/112,195.40
  6. Step 6: Final answer
    x = 84,170.71

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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.