Home / 175,637.40-263,456.10-172,565.40

Finding the Fourth Proportional to 175,637.40, 263,456.10 and 172,565.40

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Solution

The fourth proportional to 175,637.40, 263,456.10 and 172,565.40 is: 258,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,637.40 : 263,456.10 = 172,565.40 : x
  2. Step 2: Convert to fraction form
    175,637.40/263,456.10 = 172,565.40/x
  3. Step 3: Cross multiply
    175,637.40x = 263,456.10 × 172,565.40
  4. Step 4: Simplify right side
    175,637.40x = 45,463,407,278.94
  5. Step 5: Solve for x
    x = 45,463,407,278.94/175,637.40
  6. Step 6: Final answer
    x = 258,848.10

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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.