Home / 245,985.02-368,977.80-68,492.42

Finding the Fourth Proportional to 245,985.02, 368,977.80 and 68,492.42

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Solution

The fourth proportional to 245,985.02, 368,977.80 and 68,492.42 is: 102,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,985.02 : 368,977.80 = 68,492.42 : x
  2. Step 2: Convert to fraction form
    245,985.02/368,977.80 = 68,492.42/x
  3. Step 3: Cross multiply
    245,985.02x = 368,977.80 × 68,492.42
  4. Step 4: Simplify right side
    245,985.02x = 25,272,182,448.28
  5. Step 5: Solve for x
    x = 25,272,182,448.28/245,985.02
  6. Step 6: Final answer
    x = 102,738.71

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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.