Home / 130,129.17-195,222.48-55,313.25

Finding the Fourth Proportional to 130,129.17, 195,222.48 and 55,313.25

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Solution

The fourth proportional to 130,129.17, 195,222.48 and 55,313.25 is: 82,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,129.17 : 195,222.48 = 55,313.25 : x
  2. Step 2: Convert to fraction form
    130,129.17/195,222.48 = 55,313.25/x
  3. Step 3: Cross multiply
    130,129.17x = 195,222.48 × 55,313.25
  4. Step 4: Simplify right side
    130,129.17x = 10,798,389,841.86
  5. Step 5: Solve for x
    x = 10,798,389,841.86/130,129.17
  6. Step 6: Final answer
    x = 82,982.08

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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.