Home / 352,126.36-528,079.02-115,416.28

Finding the Fourth Proportional to 352,126.36, 528,079.02 and 115,416.28

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Solution

The fourth proportional to 352,126.36, 528,079.02 and 115,416.28 is: 173,088.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,126.36 : 528,079.02 = 115,416.28 : x
  2. Step 2: Convert to fraction form
    352,126.36/528,079.02 = 115,416.28/x
  3. Step 3: Cross multiply
    352,126.36x = 528,079.02 × 115,416.28
  4. Step 4: Simplify right side
    352,126.36x = 60,948,916,034.45
  5. Step 5: Solve for x
    x = 60,948,916,034.45/352,126.36
  6. Step 6: Final answer
    x = 173,088.19

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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.