Home / 385,063.92-577,473.03-132,283.46

Finding the Fourth Proportional to 385,063.92, 577,473.03 and 132,283.46

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Solution

The fourth proportional to 385,063.92, 577,473.03 and 132,283.46 is: 198,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,063.92 : 577,473.03 = 132,283.46 : x
  2. Step 2: Convert to fraction form
    385,063.92/577,473.03 = 132,283.46/x
  3. Step 3: Cross multiply
    385,063.92x = 577,473.03 × 132,283.46
  4. Step 4: Simplify right side
    385,063.92x = 76,390,127,577.72
  5. Step 5: Solve for x
    x = 76,390,127,577.72/385,063.92
  6. Step 6: Final answer
    x = 198,382.98

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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.