Home / 179,878.11-248,230.29-99,303.91

Finding the Fourth Proportional to 179,878.11, 248,230.29 and 99,303.91

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Solution

The fourth proportional to 179,878.11, 248,230.29 and 99,303.91 is: 137,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,878.11 : 248,230.29 = 99,303.91 : x
  2. Step 2: Convert to fraction form
    179,878.11/248,230.29 = 99,303.91/x
  3. Step 3: Cross multiply
    179,878.11x = 248,230.29 × 99,303.91
  4. Step 4: Simplify right side
    179,878.11x = 24,650,238,377.43
  5. Step 5: Solve for x
    x = 24,650,238,377.43/179,878.11
  6. Step 6: Final answer
    x = 137,038.57

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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.