Home / 178,990.84-247,008.28-98,423.58

Finding the Fourth Proportional to 178,990.84, 247,008.28 and 98,423.58

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Solution

The fourth proportional to 178,990.84, 247,008.28 and 98,423.58 is: 135,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,990.84 : 247,008.28 = 98,423.58 : x
  2. Step 2: Convert to fraction form
    178,990.84/247,008.28 = 98,423.58/x
  3. Step 3: Cross multiply
    178,990.84x = 247,008.28 × 98,423.58
  4. Step 4: Simplify right side
    178,990.84x = 24,311,439,207.24
  5. Step 5: Solve for x
    x = 24,311,439,207.24/178,990.84
  6. Step 6: Final answer
    x = 135,825.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.