Home / 352,057.10-528,085.65-115,423.70

Finding the Fourth Proportional to 352,057.10, 528,085.65 and 115,423.70

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Solution

The fourth proportional to 352,057.10, 528,085.65 and 115,423.70 is: 173,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,057.10 : 528,085.65 = 115,423.70 : x
  2. Step 2: Convert to fraction form
    352,057.10/528,085.65 = 115,423.70/x
  3. Step 3: Cross multiply
    352,057.10x = 528,085.65 × 115,423.70
  4. Step 4: Simplify right side
    352,057.10x = 60,953,599,639.91
  5. Step 5: Solve for x
    x = 60,953,599,639.91/352,057.10
  6. Step 6: Final answer
    x = 173,135.55

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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.