Home / 230,812.40-346,373.76-81,053.84

Finding the Fourth Proportional to 230,812.40, 346,373.76 and 81,053.84

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Solution

The fourth proportional to 230,812.40, 346,373.76 and 81,053.84 is: 121,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,812.40 : 346,373.76 = 81,053.84 : x
  2. Step 2: Convert to fraction form
    230,812.40/346,373.76 = 81,053.84/x
  3. Step 3: Cross multiply
    230,812.40x = 346,373.76 × 81,053.84
  4. Step 4: Simplify right side
    230,812.40x = 28,074,923,323.24
  5. Step 5: Solve for x
    x = 28,074,923,323.24/230,812.40
  6. Step 6: Final answer
    x = 121,635.25

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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.