Home / 223,554.63-308,502.40-121,577.88

Finding the Fourth Proportional to 223,554.63, 308,502.40 and 121,577.88

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Solution

The fourth proportional to 223,554.63, 308,502.40 and 121,577.88 is: 167,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,554.63 : 308,502.40 = 121,577.88 : x
  2. Step 2: Convert to fraction form
    223,554.63/308,502.40 = 121,577.88/x
  3. Step 3: Cross multiply
    223,554.63x = 308,502.40 × 121,577.88
  4. Step 4: Simplify right side
    223,554.63x = 37,507,068,070.86
  5. Step 5: Solve for x
    x = 37,507,068,070.86/223,554.63
  6. Step 6: Final answer
    x = 167,775.85

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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.