Home / 125,237.02-187,877.34-55,114.48

Finding the Fourth Proportional to 125,237.02, 187,877.34 and 55,114.48

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Solution

The fourth proportional to 125,237.02, 187,877.34 and 55,114.48 is: 82,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,237.02 : 187,877.34 = 55,114.48 : x
  2. Step 2: Convert to fraction form
    125,237.02/187,877.34 = 55,114.48/x
  3. Step 3: Cross multiply
    125,237.02x = 187,877.34 × 55,114.48
  4. Step 4: Simplify right side
    125,237.02x = 10,354,761,897.88
  5. Step 5: Solve for x
    x = 10,354,761,897.88/125,237.02
  6. Step 6: Final answer
    x = 82,681.32

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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.