Home / 268,530.48-402,795.68-127,862.64

Finding the Fourth Proportional to 268,530.48, 402,795.68 and 127,862.64

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Solution

The fourth proportional to 268,530.48, 402,795.68 and 127,862.64 is: 191,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,530.48 : 402,795.68 = 127,862.64 : x
  2. Step 2: Convert to fraction form
    268,530.48/402,795.68 = 127,862.64/x
  3. Step 3: Cross multiply
    268,530.48x = 402,795.68 × 127,862.64
  4. Step 4: Simplify right side
    268,530.48x = 51,502,519,025.40
  5. Step 5: Solve for x
    x = 51,502,519,025.40/268,530.48
  6. Step 6: Final answer
    x = 191,793.94

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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.