Home / 134,158.73-185,130.07-73,728.07

Finding the Fourth Proportional to 134,158.73, 185,130.07 and 73,728.07

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Solution

The fourth proportional to 134,158.73, 185,130.07 and 73,728.07 is: 101,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,158.73 : 185,130.07 = 73,728.07 : x
  2. Step 2: Convert to fraction form
    134,158.73/185,130.07 = 73,728.07/x
  3. Step 3: Cross multiply
    134,158.73x = 185,130.07 × 73,728.07
  4. Step 4: Simplify right side
    134,158.73x = 13,649,282,527.64
  5. Step 5: Solve for x
    x = 13,649,282,527.64/134,158.73
  6. Step 6: Final answer
    x = 101,739.81

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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.