Home / 146,548.40-202,172.56-86,091.76

Finding the Fourth Proportional to 146,548.40, 202,172.56 and 86,091.76

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Solution

The fourth proportional to 146,548.40, 202,172.56 and 86,091.76 is: 118,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,548.40 : 202,172.56 = 86,091.76 : x
  2. Step 2: Convert to fraction form
    146,548.40/202,172.56 = 86,091.76/x
  3. Step 3: Cross multiply
    146,548.40x = 202,172.56 × 86,091.76
  4. Step 4: Simplify right side
    146,548.40x = 17,405,391,514.11
  5. Step 5: Solve for x
    x = 17,405,391,514.11/146,548.40
  6. Step 6: Final answer
    x = 118,768.89

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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.