Home / 180,652.07-249,301.60-100,081.31

Finding the Fourth Proportional to 180,652.07, 249,301.60 and 100,081.31

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Solution

The fourth proportional to 180,652.07, 249,301.60 and 100,081.31 is: 138,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,652.07 : 249,301.60 = 100,081.31 : x
  2. Step 2: Convert to fraction form
    180,652.07/249,301.60 = 100,081.31/x
  3. Step 3: Cross multiply
    180,652.07x = 249,301.60 × 100,081.31
  4. Step 4: Simplify right side
    180,652.07x = 24,950,429,216.38
  5. Step 5: Solve for x
    x = 24,950,429,216.38/180,652.07
  6. Step 6: Final answer
    x = 138,113.16

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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.