Home / 112,023.40-167,840.70-72,560.20

Finding the Fourth Proportional to 112,023.40, 167,840.70 and 72,560.20

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Solution

The fourth proportional to 112,023.40, 167,840.70 and 72,560.20 is: 108,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,023.40 : 167,840.70 = 72,560.20 : x
  2. Step 2: Convert to fraction form
    112,023.40/167,840.70 = 72,560.20/x
  3. Step 3: Cross multiply
    112,023.40x = 167,840.70 × 72,560.20
  4. Step 4: Simplify right side
    112,023.40x = 12,178,554,760.14
  5. Step 5: Solve for x
    x = 12,178,554,760.14/112,023.40
  6. Step 6: Final answer
    x = 108,714.38

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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.