Home / 268,095.47-402,201.06-90,598.55

Finding the Fourth Proportional to 268,095.47, 402,201.06 and 90,598.55

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Solution

The fourth proportional to 268,095.47, 402,201.06 and 90,598.55 is: 135,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,095.47 : 402,201.06 = 90,598.55 : x
  2. Step 2: Convert to fraction form
    268,095.47/402,201.06 = 90,598.55/x
  3. Step 3: Cross multiply
    268,095.47x = 402,201.06 × 90,598.55
  4. Step 4: Simplify right side
    268,095.47x = 36,438,830,833.46
  5. Step 5: Solve for x
    x = 36,438,830,833.46/268,095.47
  6. Step 6: Final answer
    x = 135,917.37

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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.