Home / 180,862.25-249,588.90-100,301.68

Finding the Fourth Proportional to 180,862.25, 249,588.90 and 100,301.68

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Solution

The fourth proportional to 180,862.25, 249,588.90 and 100,301.68 is: 138,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,862.25 : 249,588.90 = 100,301.68 : x
  2. Step 2: Convert to fraction form
    180,862.25/249,588.90 = 100,301.68/x
  3. Step 3: Cross multiply
    180,862.25x = 249,588.90 × 100,301.68
  4. Step 4: Simplify right side
    180,862.25x = 25,034,185,979.35
  5. Step 5: Solve for x
    x = 25,034,185,979.35/180,862.25
  6. Step 6: Final answer
    x = 138,415.76

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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.