Home / 142,850.70-214,276.05-127,104.30

Finding the Fourth Proportional to 142,850.70, 214,276.05 and 127,104.30

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Solution

The fourth proportional to 142,850.70, 214,276.05 and 127,104.30 is: 190,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,850.70 : 214,276.05 = 127,104.30 : x
  2. Step 2: Convert to fraction form
    142,850.70/214,276.05 = 127,104.30/x
  3. Step 3: Cross multiply
    142,850.70x = 214,276.05 × 127,104.30
  4. Step 4: Simplify right side
    142,850.70x = 27,235,407,342.02
  5. Step 5: Solve for x
    x = 27,235,407,342.02/142,850.70
  6. Step 6: Final answer
    x = 190,656.45

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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.