Home / 134,040.58-184,990.74-76,685.22

Finding the Fourth Proportional to 134,040.58, 184,990.74 and 76,685.22

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Solution

The fourth proportional to 134,040.58, 184,990.74 and 76,685.22 is: 105,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,040.58 : 184,990.74 = 76,685.22 : x
  2. Step 2: Convert to fraction form
    134,040.58/184,990.74 = 76,685.22/x
  3. Step 3: Cross multiply
    134,040.58x = 184,990.74 × 76,685.22
  4. Step 4: Simplify right side
    134,040.58x = 14,186,055,594.86
  5. Step 5: Solve for x
    x = 14,186,055,594.86/134,040.58
  6. Step 6: Final answer
    x = 105,834.04

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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.