Home / 171,292.50-236,487.33-111,780.18

Finding the Fourth Proportional to 171,292.50, 236,487.33 and 111,780.18

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Solution

The fourth proportional to 171,292.50, 236,487.33 and 111,780.18 is: 154,324.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,292.50 : 236,487.33 = 111,780.18 : x
  2. Step 2: Convert to fraction form
    171,292.50/236,487.33 = 111,780.18/x
  3. Step 3: Cross multiply
    171,292.50x = 236,487.33 × 111,780.18
  4. Step 4: Simplify right side
    171,292.50x = 26,434,596,315.12
  5. Step 5: Solve for x
    x = 26,434,596,315.12/171,292.50
  6. Step 6: Final answer
    x = 154,324.31

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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.