Home / 180,817.75-249,521.61-100,246.51

Finding the Fourth Proportional to 180,817.75, 249,521.61 and 100,246.51

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Solution

The fourth proportional to 180,817.75, 249,521.61 and 100,246.51 is: 138,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,817.75 : 249,521.61 = 100,246.51 : x
  2. Step 2: Convert to fraction form
    180,817.75/249,521.61 = 100,246.51/x
  3. Step 3: Cross multiply
    180,817.75x = 249,521.61 × 100,246.51
  4. Step 4: Simplify right side
    180,817.75x = 25,013,670,572.08
  5. Step 5: Solve for x
    x = 25,013,670,572.08/180,817.75
  6. Step 6: Final answer
    x = 138,336.37

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1.5x scale

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.