Home / 180,405.18-248,959.44-99,836.10

Finding the Fourth Proportional to 180,405.18, 248,959.44 and 99,836.10

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Solution

The fourth proportional to 180,405.18, 248,959.44 and 99,836.10 is: 137,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,405.18 : 248,959.44 = 99,836.10 : x
  2. Step 2: Convert to fraction form
    180,405.18/248,959.44 = 99,836.10/x
  3. Step 3: Cross multiply
    180,405.18x = 248,959.44 × 99,836.10
  4. Step 4: Simplify right side
    180,405.18x = 24,855,139,547.78
  5. Step 5: Solve for x
    x = 24,855,139,547.78/180,405.18
  6. Step 6: Final answer
    x = 137,773.98

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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.