Home / 236,812.16-355,274.04-76,875.76

Finding the Fourth Proportional to 236,812.16, 355,274.04 and 76,875.76

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Solution

The fourth proportional to 236,812.16, 355,274.04 and 76,875.76 is: 115,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,812.16 : 355,274.04 = 76,875.76 : x
  2. Step 2: Convert to fraction form
    236,812.16/355,274.04 = 76,875.76/x
  3. Step 3: Cross multiply
    236,812.16x = 355,274.04 × 76,875.76
  4. Step 4: Simplify right side
    236,812.16x = 27,311,961,833.27
  5. Step 5: Solve for x
    x = 27,311,961,833.27/236,812.16
  6. Step 6: Final answer
    x = 115,331.75

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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.