Home / 127,363.08-190,995.12-43,100.76

Finding the Fourth Proportional to 127,363.08, 190,995.12 and 43,100.76

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Solution

The fourth proportional to 127,363.08, 190,995.12 and 43,100.76 is: 64,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,363.08 : 190,995.12 = 43,100.76 : x
  2. Step 2: Convert to fraction form
    127,363.08/190,995.12 = 43,100.76/x
  3. Step 3: Cross multiply
    127,363.08x = 190,995.12 × 43,100.76
  4. Step 4: Simplify right side
    127,363.08x = 8,232,034,828.29
  5. Step 5: Solve for x
    x = 8,232,034,828.29/127,363.08
  6. Step 6: Final answer
    x = 64,634.39

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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.