Home / 385,310.60-578,056.14-160,817.80

Finding the Fourth Proportional to 385,310.60, 578,056.14 and 160,817.80

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Solution

The fourth proportional to 385,310.60, 578,056.14 and 160,817.80 is: 241,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,310.60 : 578,056.14 = 160,817.80 : x
  2. Step 2: Convert to fraction form
    385,310.60/578,056.14 = 160,817.80/x
  3. Step 3: Cross multiply
    385,310.60x = 578,056.14 × 160,817.80
  4. Step 4: Simplify right side
    385,310.60x = 92,961,716,711.29
  5. Step 5: Solve for x
    x = 92,961,716,711.29/385,310.60
  6. Step 6: Final answer
    x = 241,264.36

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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.