Home / 175,852.72-242,694.12-100,412.56

Finding the Fourth Proportional to 175,852.72, 242,694.12 and 100,412.56

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Solution

The fourth proportional to 175,852.72, 242,694.12 and 100,412.56 is: 138,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,852.72 : 242,694.12 = 100,412.56 : x
  2. Step 2: Convert to fraction form
    175,852.72/242,694.12 = 100,412.56/x
  3. Step 3: Cross multiply
    175,852.72x = 242,694.12 × 100,412.56
  4. Step 4: Simplify right side
    175,852.72x = 24,369,537,886.15
  5. Step 5: Solve for x
    x = 24,369,537,886.15/175,852.72
  6. Step 6: Final answer
    x = 138,579.25

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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.