Home / 483,099-724,727.69-198,712.46

Finding the Fourth Proportional to 483,099, 724,727.69 and 198,712.46

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Solution

The fourth proportional to 483,099, 724,727.69 and 198,712.46 is: 298,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,099 : 724,727.69 = 198,712.46 : x
  2. Step 2: Convert to fraction form
    483,099/724,727.69 = 198,712.46/x
  3. Step 3: Cross multiply
    483,099x = 724,727.69 × 198,712.46
  4. Step 4: Simplify right side
    483,099x = 144,012,417,492.82
  5. Step 5: Solve for x
    x = 144,012,417,492.82/483,099
  6. Step 6: Final answer
    x = 298,101.25

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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.