Home / 180,723.46-249,395.33-100,150.82

Finding the Fourth Proportional to 180,723.46, 249,395.33 and 100,150.82

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Solution

The fourth proportional to 180,723.46, 249,395.33 and 100,150.82 is: 138,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,723.46 : 249,395.33 = 100,150.82 : x
  2. Step 2: Convert to fraction form
    180,723.46/249,395.33 = 100,150.82/x
  3. Step 3: Cross multiply
    180,723.46x = 249,395.33 × 100,150.82
  4. Step 4: Simplify right side
    180,723.46x = 24,977,146,803.67
  5. Step 5: Solve for x
    x = 24,977,146,803.67/180,723.46
  6. Step 6: Final answer
    x = 138,206.44

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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.