Home / 179,943.18-248,320.45-99,370.05

Finding the Fourth Proportional to 179,943.18, 248,320.45 and 99,370.05

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Solution

The fourth proportional to 179,943.18, 248,320.45 and 99,370.05 is: 137,130.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,943.18 : 248,320.45 = 99,370.05 : x
  2. Step 2: Convert to fraction form
    179,943.18/248,320.45 = 99,370.05/x
  3. Step 3: Cross multiply
    179,943.18x = 248,320.45 × 99,370.05
  4. Step 4: Simplify right side
    179,943.18x = 24,675,615,532.52
  5. Step 5: Solve for x
    x = 24,675,615,532.52/179,943.18
  6. Step 6: Final answer
    x = 137,130.04

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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.