Home / 180,986.13-249,767.53-109,352.31

Finding the Fourth Proportional to 180,986.13, 249,767.53 and 109,352.31

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Solution

The fourth proportional to 180,986.13, 249,767.53 and 109,352.31 is: 150,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,986.13 : 249,767.53 = 109,352.31 : x
  2. Step 2: Convert to fraction form
    180,986.13/249,767.53 = 109,352.31/x
  3. Step 3: Cross multiply
    180,986.13x = 249,767.53 × 109,352.31
  4. Step 4: Simplify right side
    180,986.13x = 27,312,655,119.66
  5. Step 5: Solve for x
    x = 27,312,655,119.66/180,986.13
  6. Step 6: Final answer
    x = 150,910.22

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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.