Home / 180,623.88-249,249.98-100,046.70

Finding the Fourth Proportional to 180,623.88, 249,249.98 and 100,046.70

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Solution

The fourth proportional to 180,623.88, 249,249.98 and 100,046.70 is: 138,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,623.88 : 249,249.98 = 100,046.70 : x
  2. Step 2: Convert to fraction form
    180,623.88/249,249.98 = 100,046.70/x
  3. Step 3: Cross multiply
    180,623.88x = 249,249.98 × 100,046.70
  4. Step 4: Simplify right side
    180,623.88x = 24,936,637,974.07
  5. Step 5: Solve for x
    x = 24,936,637,974.07/180,623.88
  6. Step 6: Final answer
    x = 138,058.37

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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.