Home / 125,137.96-187,712.70-46,237.48

Finding the Fourth Proportional to 125,137.96, 187,712.70 and 46,237.48

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Solution

The fourth proportional to 125,137.96, 187,712.70 and 46,237.48 is: 69,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,137.96 : 187,712.70 = 46,237.48 : x
  2. Step 2: Convert to fraction form
    125,137.96/187,712.70 = 46,237.48/x
  3. Step 3: Cross multiply
    125,137.96x = 187,712.70 × 46,237.48
  4. Step 4: Simplify right side
    125,137.96x = 8,679,362,212.00
  5. Step 5: Solve for x
    x = 8,679,362,212.00/125,137.96
  6. Step 6: Final answer
    x = 69,358.35

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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.