Home / 151,932.76-209,666.40-83,954.42

Finding the Fourth Proportional to 151,932.76, 209,666.40 and 83,954.42

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Solution

The fourth proportional to 151,932.76, 209,666.40 and 83,954.42 is: 115,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,932.76 : 209,666.40 = 83,954.42 : x
  2. Step 2: Convert to fraction form
    151,932.76/209,666.40 = 83,954.42/x
  3. Step 3: Cross multiply
    151,932.76x = 209,666.40 × 83,954.42
  4. Step 4: Simplify right side
    151,932.76x = 17,602,421,005.49
  5. Step 5: Solve for x
    x = 17,602,421,005.49/151,932.76
  6. Step 6: Final answer
    x = 115,856.65

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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.