Home / 236,210.14-354,128.10-117,820.54

Finding the Fourth Proportional to 236,210.14, 354,128.10 and 117,820.54

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Solution

The fourth proportional to 236,210.14, 354,128.10 and 117,820.54 is: 176,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,210.14 : 354,128.10 = 117,820.54 : x
  2. Step 2: Convert to fraction form
    236,210.14/354,128.10 = 117,820.54/x
  3. Step 3: Cross multiply
    236,210.14x = 354,128.10 × 117,820.54
  4. Step 4: Simplify right side
    236,210.14x = 41,723,563,971.17
  5. Step 5: Solve for x
    x = 41,723,563,971.17/236,210.14
  6. Step 6: Final answer
    x = 176,637.48

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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.