Home / 272,238.18-375,633.36-159,039.06

Finding the Fourth Proportional to 272,238.18, 375,633.36 and 159,039.06

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Solution

The fourth proportional to 272,238.18, 375,633.36 and 159,039.06 is: 219,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,238.18 : 375,633.36 = 159,039.06 : x
  2. Step 2: Convert to fraction form
    272,238.18/375,633.36 = 159,039.06/x
  3. Step 3: Cross multiply
    272,238.18x = 375,633.36 × 159,039.06
  4. Step 4: Simplify right side
    272,238.18x = 59,740,376,479.04
  5. Step 5: Solve for x
    x = 59,740,376,479.04/272,238.18
  6. Step 6: Final answer
    x = 219,441.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.