Home / 147,735.02-221,602.53-68,904.38

Finding the Fourth Proportional to 147,735.02, 221,602.53 and 68,904.38

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Solution

The fourth proportional to 147,735.02, 221,602.53 and 68,904.38 is: 103,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,735.02 : 221,602.53 = 68,904.38 : x
  2. Step 2: Convert to fraction form
    147,735.02/221,602.53 = 68,904.38/x
  3. Step 3: Cross multiply
    147,735.02x = 221,602.53 × 68,904.38
  4. Step 4: Simplify right side
    147,735.02x = 15,269,384,936.08
  5. Step 5: Solve for x
    x = 15,269,384,936.08/147,735.02
  6. Step 6: Final answer
    x = 103,356.57

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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.