Home / 264,177.12-396,421.20-98,081.76

Finding the Fourth Proportional to 264,177.12, 396,421.20 and 98,081.76

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Solution

The fourth proportional to 264,177.12, 396,421.20 and 98,081.76 is: 147,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,177.12 : 396,421.20 = 98,081.76 : x
  2. Step 2: Convert to fraction form
    264,177.12/396,421.20 = 98,081.76/x
  3. Step 3: Cross multiply
    264,177.12x = 396,421.20 × 98,081.76
  4. Step 4: Simplify right side
    264,177.12x = 38,881,688,997.31
  5. Step 5: Solve for x
    x = 38,881,688,997.31/264,177.12
  6. Step 6: Final answer
    x = 147,180.38

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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.