Home / 205,746.24-308,644.02-72,598.98

Finding the Fourth Proportional to 205,746.24, 308,644.02 and 72,598.98

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Solution

The fourth proportional to 205,746.24, 308,644.02 and 72,598.98 is: 108,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,746.24 : 308,644.02 = 72,598.98 : x
  2. Step 2: Convert to fraction form
    205,746.24/308,644.02 = 72,598.98/x
  3. Step 3: Cross multiply
    205,746.24x = 308,644.02 × 72,598.98
  4. Step 4: Simplify right side
    205,746.24x = 22,407,241,035.10
  5. Step 5: Solve for x
    x = 22,407,241,035.10/205,746.24
  6. Step 6: Final answer
    x = 108,907.17

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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.