Home / 223,719.90-308,734.77-121,746.16

Finding the Fourth Proportional to 223,719.90, 308,734.77 and 121,746.16

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Solution

The fourth proportional to 223,719.90, 308,734.77 and 121,746.16 is: 168,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,719.90 : 308,734.77 = 121,746.16 : x
  2. Step 2: Convert to fraction form
    223,719.90/308,734.77 = 121,746.16/x
  3. Step 3: Cross multiply
    223,719.90x = 308,734.77 × 121,746.16
  4. Step 4: Simplify right side
    223,719.90x = 37,587,272,705.98
  5. Step 5: Solve for x
    x = 37,587,272,705.98/223,719.90
  6. Step 6: Final answer
    x = 168,010.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.