Home / 175,544.40-263,316.60-172,045.20

Finding the Fourth Proportional to 175,544.40, 263,316.60 and 172,045.20

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Solution

The fourth proportional to 175,544.40, 263,316.60 and 172,045.20 is: 258,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,544.40 : 263,316.60 = 172,045.20 : x
  2. Step 2: Convert to fraction form
    175,544.40/263,316.60 = 172,045.20/x
  3. Step 3: Cross multiply
    175,544.40x = 263,316.60 × 172,045.20
  4. Step 4: Simplify right side
    175,544.40x = 45,302,357,110.32
  5. Step 5: Solve for x
    x = 45,302,357,110.32/175,544.40
  6. Step 6: Final answer
    x = 258,067.80

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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.