Home / 130,485.55-195,728.33-36,992.11

Finding the Fourth Proportional to 130,485.55, 195,728.33 and 36,992.11

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Solution

The fourth proportional to 130,485.55, 195,728.33 and 36,992.11 is: 55,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,485.55 : 195,728.33 = 36,992.11 : x
  2. Step 2: Convert to fraction form
    130,485.55/195,728.33 = 36,992.11/x
  3. Step 3: Cross multiply
    130,485.55x = 195,728.33 × 36,992.11
  4. Step 4: Simplify right side
    130,485.55x = 7,240,403,913.48
  5. Step 5: Solve for x
    x = 7,240,403,913.48/130,485.55
  6. Step 6: Final answer
    x = 55,488.17

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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.