Home / 236,210.64-354,128.85-117,821.04

Finding the Fourth Proportional to 236,210.64, 354,128.85 and 117,821.04

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Solution

The fourth proportional to 236,210.64, 354,128.85 and 117,821.04 is: 176,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,210.64 : 354,128.85 = 117,821.04 : x
  2. Step 2: Convert to fraction form
    236,210.64/354,128.85 = 117,821.04/x
  3. Step 3: Cross multiply
    236,210.64x = 354,128.85 × 117,821.04
  4. Step 4: Simplify right side
    236,210.64x = 41,723,829,401.00
  5. Step 5: Solve for x
    x = 41,723,829,401.00/236,210.64
  6. Step 6: Final answer
    x = 176,638.23

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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.