Home / 147,634.30-221,451.45-118,109.80

Finding the Fourth Proportional to 147,634.30, 221,451.45 and 118,109.80

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Solution

The fourth proportional to 147,634.30, 221,451.45 and 118,109.80 is: 177,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,634.30 : 221,451.45 = 118,109.80 : x
  2. Step 2: Convert to fraction form
    147,634.30/221,451.45 = 118,109.80/x
  3. Step 3: Cross multiply
    147,634.30x = 221,451.45 × 118,109.80
  4. Step 4: Simplify right side
    147,634.30x = 26,155,586,469.21
  5. Step 5: Solve for x
    x = 26,155,586,469.21/147,634.30
  6. Step 6: Final answer
    x = 177,164.70

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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.