Home / 179,874.78-248,225.85-99,302.40

Finding the Fourth Proportional to 179,874.78, 248,225.85 and 99,302.40

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Solution

The fourth proportional to 179,874.78, 248,225.85 and 99,302.40 is: 137,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,874.78 : 248,225.85 = 99,302.40 : x
  2. Step 2: Convert to fraction form
    179,874.78/248,225.85 = 99,302.40/x
  3. Step 3: Cross multiply
    179,874.78x = 248,225.85 × 99,302.40
  4. Step 4: Simplify right side
    179,874.78x = 24,649,422,647.04
  5. Step 5: Solve for x
    x = 24,649,422,647.04/179,874.78
  6. Step 6: Final answer
    x = 137,036.57

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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.