Home / 112,171.80-168,254.06-45,594.06

Finding the Fourth Proportional to 112,171.80, 168,254.06 and 45,594.06

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Solution

The fourth proportional to 112,171.80, 168,254.06 and 45,594.06 is: 68,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,171.80 : 168,254.06 = 45,594.06 : x
  2. Step 2: Convert to fraction form
    112,171.80/168,254.06 = 45,594.06/x
  3. Step 3: Cross multiply
    112,171.80x = 168,254.06 × 45,594.06
  4. Step 4: Simplify right side
    112,171.80x = 7,671,385,706.88
  5. Step 5: Solve for x
    x = 7,671,385,706.88/112,171.80
  6. Step 6: Final answer
    x = 68,389.61

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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.