Home / 112,840.20-169,211.70-56,658.60

Finding the Fourth Proportional to 112,840.20, 169,211.70 and 56,658.60

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Solution

The fourth proportional to 112,840.20, 169,211.70 and 56,658.60 is: 84,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,840.20 : 169,211.70 = 56,658.60 : x
  2. Step 2: Convert to fraction form
    112,840.20/169,211.70 = 56,658.60/x
  3. Step 3: Cross multiply
    112,840.20x = 169,211.70 × 56,658.60
  4. Step 4: Simplify right side
    112,840.20x = 9,587,298,025.62
  5. Step 5: Solve for x
    x = 9,587,298,025.62/112,840.20
  6. Step 6: Final answer
    x = 84,963.50

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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.