Home / 130,245.75-195,394.01-55,365.03

Finding the Fourth Proportional to 130,245.75, 195,394.01 and 55,365.03

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Solution

The fourth proportional to 130,245.75, 195,394.01 and 55,365.03 is: 83,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,245.75 : 195,394.01 = 55,365.03 : x
  2. Step 2: Convert to fraction form
    130,245.75/195,394.01 = 55,365.03/x
  3. Step 3: Cross multiply
    130,245.75x = 195,394.01 × 55,365.03
  4. Step 4: Simplify right side
    130,245.75x = 10,817,995,225.47
  5. Step 5: Solve for x
    x = 10,817,995,225.47/130,245.75
  6. Step 6: Final answer
    x = 83,058.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.