Home / 375,139.28-562,798.44-122,420.24

Finding the Fourth Proportional to 375,139.28, 562,798.44 and 122,420.24

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Solution

The fourth proportional to 375,139.28, 562,798.44 and 122,420.24 is: 183,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,139.28 : 562,798.44 = 122,420.24 : x
  2. Step 2: Convert to fraction form
    375,139.28/562,798.44 = 122,420.24/x
  3. Step 3: Cross multiply
    375,139.28x = 562,798.44 × 122,420.24
  4. Step 4: Simplify right side
    375,139.28x = 68,897,917,282.43
  5. Step 5: Solve for x
    x = 68,897,917,282.43/375,139.28
  6. Step 6: Final answer
    x = 183,659.57

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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.