Home / 205,750.24-308,650.02-72,602.98

Finding the Fourth Proportional to 205,750.24, 308,650.02 and 72,602.98

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Solution

The fourth proportional to 205,750.24, 308,650.02 and 72,602.98 is: 108,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,750.24 : 308,650.02 = 72,602.98 : x
  2. Step 2: Convert to fraction form
    205,750.24/308,650.02 = 72,602.98/x
  3. Step 3: Cross multiply
    205,750.24x = 308,650.02 × 72,602.98
  4. Step 4: Simplify right side
    205,750.24x = 22,408,911,229.06
  5. Step 5: Solve for x
    x = 22,408,911,229.06/205,750.24
  6. Step 6: Final answer
    x = 108,913.17

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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.