Home / 180,877.24-249,610.57-100,317.03

Finding the Fourth Proportional to 180,877.24, 249,610.57 and 100,317.03

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Solution

The fourth proportional to 180,877.24, 249,610.57 and 100,317.03 is: 138,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,877.24 : 249,610.57 = 100,317.03 : x
  2. Step 2: Convert to fraction form
    180,877.24/249,610.57 = 100,317.03/x
  3. Step 3: Cross multiply
    180,877.24x = 249,610.57 × 100,317.03
  4. Step 4: Simplify right side
    180,877.24x = 25,040,191,039.01
  5. Step 5: Solve for x
    x = 25,040,191,039.01/180,877.24
  6. Step 6: Final answer
    x = 138,437.49

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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.