Home / 127,396.20-190,875.60-83,000.10

Finding the Fourth Proportional to 127,396.20, 190,875.60 and 83,000.10

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Solution

The fourth proportional to 127,396.20, 190,875.60 and 83,000.10 is: 124,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,396.20 : 190,875.60 = 83,000.10 : x
  2. Step 2: Convert to fraction form
    127,396.20/190,875.60 = 83,000.10/x
  3. Step 3: Cross multiply
    127,396.20x = 190,875.60 × 83,000.10
  4. Step 4: Simplify right side
    127,396.20x = 15,842,693,887.56
  5. Step 5: Solve for x
    x = 15,842,693,887.56/127,396.20
  6. Step 6: Final answer
    x = 124,357.66

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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.