Home / 142,401.65-196,335.65-91,324.26

Finding the Fourth Proportional to 142,401.65, 196,335.65 and 91,324.26

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Solution

The fourth proportional to 142,401.65, 196,335.65 and 91,324.26 is: 125,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,401.65 : 196,335.65 = 91,324.26 : x
  2. Step 2: Convert to fraction form
    142,401.65/196,335.65 = 91,324.26/x
  3. Step 3: Cross multiply
    142,401.65x = 196,335.65 × 91,324.26
  4. Step 4: Simplify right side
    142,401.65x = 17,930,207,662.48
  5. Step 5: Solve for x
    x = 17,930,207,662.48/142,401.65
  6. Step 6: Final answer
    x = 125,912.93

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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.