Home / 180,484.41-249,082.31-102,961.76

Finding the Fourth Proportional to 180,484.41, 249,082.31 and 102,961.76

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Solution

The fourth proportional to 180,484.41, 249,082.31 and 102,961.76 is: 142,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,484.41 : 249,082.31 = 102,961.76 : x
  2. Step 2: Convert to fraction form
    180,484.41/249,082.31 = 102,961.76/x
  3. Step 3: Cross multiply
    180,484.41x = 249,082.31 × 102,961.76
  4. Step 4: Simplify right side
    180,484.41x = 25,645,952,968.52
  5. Step 5: Solve for x
    x = 25,645,952,968.52/180,484.41
  6. Step 6: Final answer
    x = 142,095.12

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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.