Home / 125,856.64-188,740-41,601.24

Finding the Fourth Proportional to 125,856.64, 188,740 and 41,601.24

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Solution

The fourth proportional to 125,856.64, 188,740 and 41,601.24 is: 62,387.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,856.64 : 188,740 = 41,601.24 : x
  2. Step 2: Convert to fraction form
    125,856.64/188,740 = 41,601.24/x
  3. Step 3: Cross multiply
    125,856.64x = 188,740 × 41,601.24
  4. Step 4: Simplify right side
    125,856.64x = 7,851,818,037.60
  5. Step 5: Solve for x
    x = 7,851,818,037.60/125,856.64
  6. Step 6: Final answer
    x = 62,387.00

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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.