Home / 125,221.02-187,905.24-46,390.20

Finding the Fourth Proportional to 125,221.02, 187,905.24 and 46,390.20

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Solution

The fourth proportional to 125,221.02, 187,905.24 and 46,390.20 is: 69,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,221.02 : 187,905.24 = 46,390.20 : x
  2. Step 2: Convert to fraction form
    125,221.02/187,905.24 = 46,390.20/x
  3. Step 3: Cross multiply
    125,221.02x = 187,905.24 × 46,390.20
  4. Step 4: Simplify right side
    125,221.02x = 8,716,961,664.65
  5. Step 5: Solve for x
    x = 8,716,961,664.65/125,221.02
  6. Step 6: Final answer
    x = 69,612.61

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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.