Home / 348,016.92-521,913.06-98,631.96

Finding the Fourth Proportional to 348,016.92, 521,913.06 and 98,631.96

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Solution

The fourth proportional to 348,016.92, 521,913.06 and 98,631.96 is: 147,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,016.92 : 521,913.06 = 98,631.96 : x
  2. Step 2: Convert to fraction form
    348,016.92/521,913.06 = 98,631.96/x
  3. Step 3: Cross multiply
    348,016.92x = 521,913.06 × 98,631.96
  4. Step 4: Simplify right side
    348,016.92x = 51,477,308,057.40
  5. Step 5: Solve for x
    x = 51,477,308,057.40/348,016.92
  6. Step 6: Final answer
    x = 147,916.11

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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.