Home / 106,415.08-146,846.91-61,090.07

Finding the Fourth Proportional to 106,415.08, 146,846.91 and 61,090.07

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Solution

The fourth proportional to 106,415.08, 146,846.91 and 61,090.07 is: 84,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,415.08 : 146,846.91 = 61,090.07 : x
  2. Step 2: Convert to fraction form
    106,415.08/146,846.91 = 61,090.07/x
  3. Step 3: Cross multiply
    106,415.08x = 146,846.91 × 61,090.07
  4. Step 4: Simplify right side
    106,415.08x = 8,970,888,378.30
  5. Step 5: Solve for x
    x = 8,970,888,378.30/106,415.08
  6. Step 6: Final answer
    x = 84,300.91

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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.