Home / 164,405.04-226,854.63-99,840.70

Finding the Fourth Proportional to 164,405.04, 226,854.63 and 99,840.70

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Solution

The fourth proportional to 164,405.04, 226,854.63 and 99,840.70 is: 137,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,405.04 : 226,854.63 = 99,840.70 : x
  2. Step 2: Convert to fraction form
    164,405.04/226,854.63 = 99,840.70/x
  3. Step 3: Cross multiply
    164,405.04x = 226,854.63 × 99,840.70
  4. Step 4: Simplify right side
    164,405.04x = 22,649,325,057.44
  5. Step 5: Solve for x
    x = 22,649,325,057.44/164,405.04
  6. Step 6: Final answer
    x = 137,765.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.