Home / 151,875.24-209,586.99-83,896.89

Finding the Fourth Proportional to 151,875.24, 209,586.99 and 83,896.89

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Solution

The fourth proportional to 151,875.24, 209,586.99 and 83,896.89 is: 115,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,875.24 : 209,586.99 = 83,896.89 : x
  2. Step 2: Convert to fraction form
    151,875.24/209,586.99 = 83,896.89/x
  3. Step 3: Cross multiply
    151,875.24x = 209,586.99 × 83,896.89
  4. Step 4: Simplify right side
    151,875.24x = 17,583,696,645.46
  5. Step 5: Solve for x
    x = 17,583,696,645.46/151,875.24
  6. Step 6: Final answer
    x = 115,777.24

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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.