Home / 385,056.40-577,195.80-174,845.20

Finding the Fourth Proportional to 385,056.40, 577,195.80 and 174,845.20

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Solution

The fourth proportional to 385,056.40, 577,195.80 and 174,845.20 is: 262,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,056.40 : 577,195.80 = 174,845.20 : x
  2. Step 2: Convert to fraction form
    385,056.40/577,195.80 = 174,845.20/x
  3. Step 3: Cross multiply
    385,056.40x = 577,195.80 × 174,845.20
  4. Step 4: Simplify right side
    385,056.40x = 100,919,915,090.16
  5. Step 5: Solve for x
    x = 100,919,915,090.16/385,056.40
  6. Step 6: Final answer
    x = 262,091.25

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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.