Home / 355,583.67-533,015.13-127,811.40

Finding the Fourth Proportional to 355,583.67, 533,015.13 and 127,811.40

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Solution

The fourth proportional to 355,583.67, 533,015.13 and 127,811.40 is: 191,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,583.67 : 533,015.13 = 127,811.40 : x
  2. Step 2: Convert to fraction form
    355,583.67/533,015.13 = 127,811.40/x
  3. Step 3: Cross multiply
    355,583.67x = 533,015.13 × 127,811.40
  4. Step 4: Simplify right side
    355,583.67x = 68,125,409,986.48
  5. Step 5: Solve for x
    x = 68,125,409,986.48/355,583.67
  6. Step 6: Final answer
    x = 191,587.57

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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.