Home / 106,240.02-159,301.70-72,968.46

Finding the Fourth Proportional to 106,240.02, 159,301.70 and 72,968.46

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Solution

The fourth proportional to 106,240.02, 159,301.70 and 72,968.46 is: 109,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,240.02 : 159,301.70 = 72,968.46 : x
  2. Step 2: Convert to fraction form
    106,240.02/159,301.70 = 72,968.46/x
  3. Step 3: Cross multiply
    106,240.02x = 159,301.70 × 72,968.46
  4. Step 4: Simplify right side
    106,240.02x = 11,623,999,724.38
  5. Step 5: Solve for x
    x = 11,623,999,724.38/106,240.02
  6. Step 6: Final answer
    x = 109,412.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.