Home / 180,496.20-249,076.91-99,918.92

Finding the Fourth Proportional to 180,496.20, 249,076.91 and 99,918.92

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Solution

The fourth proportional to 180,496.20, 249,076.91 and 99,918.92 is: 137,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,496.20 : 249,076.91 = 99,918.92 : x
  2. Step 2: Convert to fraction form
    180,496.20/249,076.91 = 99,918.92/x
  3. Step 3: Cross multiply
    180,496.20x = 249,076.91 × 99,918.92
  4. Step 4: Simplify right side
    180,496.20x = 24,887,494,099.16
  5. Step 5: Solve for x
    x = 24,887,494,099.16/180,496.20
  6. Step 6: Final answer
    x = 137,883.76

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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.