Home / 152,040.24-209,822.40-84,972.24

Finding the Fourth Proportional to 152,040.24, 209,822.40 and 84,972.24

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Solution

The fourth proportional to 152,040.24, 209,822.40 and 84,972.24 is: 117,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,040.24 : 209,822.40 = 84,972.24 : x
  2. Step 2: Convert to fraction form
    152,040.24/209,822.40 = 84,972.24/x
  3. Step 3: Cross multiply
    152,040.24x = 209,822.40 × 84,972.24
  4. Step 4: Simplify right side
    152,040.24x = 17,829,079,330.18
  5. Step 5: Solve for x
    x = 17,829,079,330.18/152,040.24
  6. Step 6: Final answer
    x = 117,265.53

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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.