Home / 223,566.48-308,390.10-140,648.36

Finding the Fourth Proportional to 223,566.48, 308,390.10 and 140,648.36

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Solution

The fourth proportional to 223,566.48, 308,390.10 and 140,648.36 is: 194,011.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,566.48 : 308,390.10 = 140,648.36 : x
  2. Step 2: Convert to fraction form
    223,566.48/308,390.10 = 140,648.36/x
  3. Step 3: Cross multiply
    223,566.48x = 308,390.10 × 140,648.36
  4. Step 4: Simplify right side
    223,566.48x = 43,374,560,263.29
  5. Step 5: Solve for x
    x = 43,374,560,263.29/223,566.48
  6. Step 6: Final answer
    x = 194,011.91

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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.