Home / 313,087.50-469,650.78-88,465.18

Finding the Fourth Proportional to 313,087.50, 469,650.78 and 88,465.18

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Solution

The fourth proportional to 313,087.50, 469,650.78 and 88,465.18 is: 132,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,087.50 : 469,650.78 = 88,465.18 : x
  2. Step 2: Convert to fraction form
    313,087.50/469,650.78 = 88,465.18/x
  3. Step 3: Cross multiply
    313,087.50x = 469,650.78 × 88,465.18
  4. Step 4: Simplify right side
    313,087.50x = 41,547,740,789.84
  5. Step 5: Solve for x
    x = 41,547,740,789.84/313,087.50
  6. Step 6: Final answer
    x = 132,703.29

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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.