Home / 155,016.41-232,548.98-66,270.38

Finding the Fourth Proportional to 155,016.41, 232,548.98 and 66,270.38

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Solution

The fourth proportional to 155,016.41, 232,548.98 and 66,270.38 is: 99,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,016.41 : 232,548.98 = 66,270.38 : x
  2. Step 2: Convert to fraction form
    155,016.41/232,548.98 = 66,270.38/x
  3. Step 3: Cross multiply
    155,016.41x = 232,548.98 × 66,270.38
  4. Step 4: Simplify right side
    155,016.41x = 15,411,107,779.12
  5. Step 5: Solve for x
    x = 15,411,107,779.12/155,016.41
  6. Step 6: Final answer
    x = 99,415.98

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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.