Home / 180,062.26-248,479.23-99,488.05

Finding the Fourth Proportional to 180,062.26, 248,479.23 and 99,488.05

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Solution

The fourth proportional to 180,062.26, 248,479.23 and 99,488.05 is: 137,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,062.26 : 248,479.23 = 99,488.05 : x
  2. Step 2: Convert to fraction form
    180,062.26/248,479.23 = 99,488.05/x
  3. Step 3: Cross multiply
    180,062.26x = 248,479.23 × 99,488.05
  4. Step 4: Simplify right side
    180,062.26x = 24,720,712,815.81
  5. Step 5: Solve for x
    x = 24,720,712,815.81/180,062.26
  6. Step 6: Final answer
    x = 137,289.81

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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.