Home / 236,783.03-355,162.95-87,011.79

Finding the Fourth Proportional to 236,783.03, 355,162.95 and 87,011.79

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Solution

The fourth proportional to 236,783.03, 355,162.95 and 87,011.79 is: 130,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,783.03 : 355,162.95 = 87,011.79 : x
  2. Step 2: Convert to fraction form
    236,783.03/355,162.95 = 87,011.79/x
  3. Step 3: Cross multiply
    236,783.03x = 355,162.95 × 87,011.79
  4. Step 4: Simplify right side
    236,783.03x = 30,903,364,021.18
  5. Step 5: Solve for x
    x = 30,903,364,021.18/236,783.03
  6. Step 6: Final answer
    x = 130,513.43

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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.