Home / 127,534.40-191,301.60-121,410.80

Finding the Fourth Proportional to 127,534.40, 191,301.60 and 121,410.80

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Solution

The fourth proportional to 127,534.40, 191,301.60 and 121,410.80 is: 182,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,534.40 : 191,301.60 = 121,410.80 : x
  2. Step 2: Convert to fraction form
    127,534.40/191,301.60 = 121,410.80/x
  3. Step 3: Cross multiply
    127,534.40x = 191,301.60 × 121,410.80
  4. Step 4: Simplify right side
    127,534.40x = 23,226,080,297.28
  5. Step 5: Solve for x
    x = 23,226,080,297.28/127,534.40
  6. Step 6: Final answer
    x = 182,116.20

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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.