Home / 122,588.40-183,922.20-60,215.16

Finding the Fourth Proportional to 122,588.40, 183,922.20 and 60,215.16

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Solution

The fourth proportional to 122,588.40, 183,922.20 and 60,215.16 is: 90,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,588.40 : 183,922.20 = 60,215.16 : x
  2. Step 2: Convert to fraction form
    122,588.40/183,922.20 = 60,215.16/x
  3. Step 3: Cross multiply
    122,588.40x = 183,922.20 × 60,215.16
  4. Step 4: Simplify right side
    122,588.40x = 11,074,904,700.55
  5. Step 5: Solve for x
    x = 11,074,904,700.55/122,588.40
  6. Step 6: Final answer
    x = 90,342.19

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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.