Home / 164,494.20-247,032.90-127,145.10

Finding the Fourth Proportional to 164,494.20, 247,032.90 and 127,145.10

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Solution

The fourth proportional to 164,494.20, 247,032.90 and 127,145.10 is: 190,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,494.20 : 247,032.90 = 127,145.10 : x
  2. Step 2: Convert to fraction form
    164,494.20/247,032.90 = 127,145.10/x
  3. Step 3: Cross multiply
    164,494.20x = 247,032.90 × 127,145.10
  4. Step 4: Simplify right side
    164,494.20x = 31,409,022,773.79
  5. Step 5: Solve for x
    x = 31,409,022,773.79/164,494.20
  6. Step 6: Final answer
    x = 190,943.04

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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.