Home / 119,947.56-166,227.78-118,256.28

Finding the Fourth Proportional to 119,947.56, 166,227.78 and 118,256.28

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Solution

The fourth proportional to 119,947.56, 166,227.78 and 118,256.28 is: 163,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,947.56 : 166,227.78 = 118,256.28 : x
  2. Step 2: Convert to fraction form
    119,947.56/166,227.78 = 118,256.28/x
  3. Step 3: Cross multiply
    119,947.56x = 166,227.78 × 118,256.28
  4. Step 4: Simplify right side
    119,947.56x = 19,657,478,895.46
  5. Step 5: Solve for x
    x = 19,657,478,895.46/119,947.56
  6. Step 6: Final answer
    x = 163,883.94

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.