Home / 112,020.10-167,920.80-100,210.30

Finding the Fourth Proportional to 112,020.10, 167,920.80 and 100,210.30

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Solution

The fourth proportional to 112,020.10, 167,920.80 and 100,210.30 is: 150,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020.10 : 167,920.80 = 100,210.30 : x
  2. Step 2: Convert to fraction form
    112,020.10/167,920.80 = 100,210.30/x
  3. Step 3: Cross multiply
    112,020.10x = 167,920.80 × 100,210.30
  4. Step 4: Simplify right side
    112,020.10x = 16,827,393,744.24
  5. Step 5: Solve for x
    x = 16,827,393,744.24/112,020.10
  6. Step 6: Final answer
    x = 150,217.63

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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.