Home / 272,448.41-375,972.89-157,731.89

Finding the Fourth Proportional to 272,448.41, 375,972.89 and 157,731.89

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Solution

The fourth proportional to 272,448.41, 375,972.89 and 157,731.89 is: 217,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,448.41 : 375,972.89 = 157,731.89 : x
  2. Step 2: Convert to fraction form
    272,448.41/375,972.89 = 157,731.89/x
  3. Step 3: Cross multiply
    272,448.41x = 375,972.89 × 157,731.89
  4. Step 4: Simplify right side
    272,448.41x = 59,302,911,859.94
  5. Step 5: Solve for x
    x = 59,302,911,859.94/272,448.41
  6. Step 6: Final answer
    x = 217,666.58

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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.