Home / 125,422.02-188,143.56-31,927.50

Finding the Fourth Proportional to 125,422.02, 188,143.56 and 31,927.50

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Solution

The fourth proportional to 125,422.02, 188,143.56 and 31,927.50 is: 47,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,422.02 : 188,143.56 = 31,927.50 : x
  2. Step 2: Convert to fraction form
    125,422.02/188,143.56 = 31,927.50/x
  3. Step 3: Cross multiply
    125,422.02x = 188,143.56 × 31,927.50
  4. Step 4: Simplify right side
    125,422.02x = 6,006,953,511.90
  5. Step 5: Solve for x
    x = 6,006,953,511.90/125,422.02
  6. Step 6: Final answer
    x = 47,893.93

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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.