Home / 538,090.02-807,248.88-178,240.50

Finding the Fourth Proportional to 538,090.02, 807,248.88 and 178,240.50

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Solution

The fourth proportional to 538,090.02, 807,248.88 and 178,240.50 is: 267,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,090.02 : 807,248.88 = 178,240.50 : x
  2. Step 2: Convert to fraction form
    538,090.02/807,248.88 = 178,240.50/x
  3. Step 3: Cross multiply
    538,090.02x = 807,248.88 × 178,240.50
  4. Step 4: Simplify right side
    538,090.02x = 143,884,443,995.64
  5. Step 5: Solve for x
    x = 143,884,443,995.64/538,090.02
  6. Step 6: Final answer
    x = 267,398.46

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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.