Home / 146,464.08-202,086.48-86,031.60

Finding the Fourth Proportional to 146,464.08, 202,086.48 and 86,031.60

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Solution

The fourth proportional to 146,464.08, 202,086.48 and 86,031.60 is: 118,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,464.08 : 202,086.48 = 86,031.60 : x
  2. Step 2: Convert to fraction form
    146,464.08/202,086.48 = 86,031.60/x
  3. Step 3: Cross multiply
    146,464.08x = 202,086.48 × 86,031.60
  4. Step 4: Simplify right side
    146,464.08x = 17,385,823,212.77
  5. Step 5: Solve for x
    x = 17,385,823,212.77/146,464.08
  6. Step 6: Final answer
    x = 118,703.67

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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.