Home / 180,799.14-249,479.76-100,225.95

Finding the Fourth Proportional to 180,799.14, 249,479.76 and 100,225.95

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Solution

The fourth proportional to 180,799.14, 249,479.76 and 100,225.95 is: 138,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,799.14 : 249,479.76 = 100,225.95 : x
  2. Step 2: Convert to fraction form
    180,799.14/249,479.76 = 100,225.95/x
  3. Step 3: Cross multiply
    180,799.14x = 249,479.76 × 100,225.95
  4. Step 4: Simplify right side
    180,799.14x = 25,004,345,951.77
  5. Step 5: Solve for x
    x = 25,004,345,951.77/180,799.14
  6. Step 6: Final answer
    x = 138,299.03

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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.