Home / 176,143.68-264,255.82-76,320.50

Finding the Fourth Proportional to 176,143.68, 264,255.82 and 76,320.50

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Solution

The fourth proportional to 176,143.68, 264,255.82 and 76,320.50 is: 114,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,143.68 : 264,255.82 = 76,320.50 : x
  2. Step 2: Convert to fraction form
    176,143.68/264,255.82 = 76,320.50/x
  3. Step 3: Cross multiply
    176,143.68x = 264,255.82 × 76,320.50
  4. Step 4: Simplify right side
    176,143.68x = 20,168,134,798.23
  5. Step 5: Solve for x
    x = 20,168,134,798.23/176,143.68
  6. Step 6: Final answer
    x = 114,498.20

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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.