Home / 127,108.49-190,663.85-32,338.78

Finding the Fourth Proportional to 127,108.49, 190,663.85 and 32,338.78

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Solution

The fourth proportional to 127,108.49, 190,663.85 and 32,338.78 is: 48,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,108.49 : 190,663.85 = 32,338.78 : x
  2. Step 2: Convert to fraction form
    127,108.49/190,663.85 = 32,338.78/x
  3. Step 3: Cross multiply
    127,108.49x = 190,663.85 × 32,338.78
  4. Step 4: Simplify right side
    127,108.49x = 6,165,835,903.29
  5. Step 5: Solve for x
    x = 6,165,835,903.29/127,108.49
  6. Step 6: Final answer
    x = 48,508.45

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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.