Home / 132,363.45-198,643.59-53,478.36

Finding the Fourth Proportional to 132,363.45, 198,643.59 and 53,478.36

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Solution

The fourth proportional to 132,363.45, 198,643.59 and 53,478.36 is: 80,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,363.45 : 198,643.59 = 53,478.36 : x
  2. Step 2: Convert to fraction form
    132,363.45/198,643.59 = 53,478.36/x
  3. Step 3: Cross multiply
    132,363.45x = 198,643.59 × 53,478.36
  4. Step 4: Simplify right side
    132,363.45x = 10,623,133,417.71
  5. Step 5: Solve for x
    x = 10,623,133,417.71/132,363.45
  6. Step 6: Final answer
    x = 80,257.30

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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.