Home / 151,948.56-209,688.49-83,963.64

Finding the Fourth Proportional to 151,948.56, 209,688.49 and 83,963.64

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Solution

The fourth proportional to 151,948.56, 209,688.49 and 83,963.64 is: 115,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,948.56 : 209,688.49 = 83,963.64 : x
  2. Step 2: Convert to fraction form
    151,948.56/209,688.49 = 83,963.64/x
  3. Step 3: Cross multiply
    151,948.56x = 209,688.49 × 83,963.64
  4. Step 4: Simplify right side
    151,948.56x = 17,606,208,886.50
  5. Step 5: Solve for x
    x = 17,606,208,886.50/151,948.56
  6. Step 6: Final answer
    x = 115,869.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.