Home / 180,829.40-270,984.90-133,071.80

Finding the Fourth Proportional to 180,829.40, 270,984.90 and 133,071.80

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Solution

The fourth proportional to 180,829.40, 270,984.90 and 133,071.80 is: 199,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,829.40 : 270,984.90 = 133,071.80 : x
  2. Step 2: Convert to fraction form
    180,829.40/270,984.90 = 133,071.80/x
  3. Step 3: Cross multiply
    180,829.40x = 270,984.90 × 133,071.80
  4. Step 4: Simplify right side
    180,829.40x = 36,060,448,415.82
  5. Step 5: Solve for x
    x = 36,060,448,415.82/180,829.40
  6. Step 6: Final answer
    x = 199,416.96

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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.