Home / 106,326.36-146,778.89-75,719.16

Finding the Fourth Proportional to 106,326.36, 146,778.89 and 75,719.16

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Solution

The fourth proportional to 106,326.36, 146,778.89 and 75,719.16 is: 104,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,326.36 : 146,778.89 = 75,719.16 : x
  2. Step 2: Convert to fraction form
    106,326.36/146,778.89 = 75,719.16/x
  3. Step 3: Cross multiply
    106,326.36x = 146,778.89 × 75,719.16
  4. Step 4: Simplify right side
    106,326.36x = 11,113,973,877.94
  5. Step 5: Solve for x
    x = 11,113,973,877.94/106,326.36
  6. Step 6: Final answer
    x = 104,526.99

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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.